 12-check_regression/baseline.xfail      | 413 ++++++++++++++++++++++++++++++++
 12-check_regression/console.log.xz      | Bin 0 -> 7408 bytes
 12-check_regression/extra-bisect-params |   1 +
 12-check_regression/fails.sum           |  19 ++
 12-check_regression/flaky.xfail         |  69 ++++++
 12-check_regression/results.regressions |   1 +
 12-check_regression/trigger-bisect      |   3 +
 README.html                             |   4 +-
 README.txt                              |   2 +
 results                                 |   1 +
 sumfiles/xfails.xfail                   |  93 +------
 11 files changed, 514 insertions(+), 92 deletions(-)

diff --git a/12-check_regression/baseline.xfail b/12-check_regression/baseline.xfail
new file mode 100644
index 00000000..7f1568a9
--- /dev/null
+++ b/12-check_regression/baseline.xfail
@@ -0,0 +1,413 @@
+		=== g++ tests ===
+
+Running g++:g++.dg/analyzer/analyzer.exp ...
+FAIL: c-c++-common/analyzer/fileno-1.c -std=c++14 (test for excess errors)
+FAIL: c-c++-common/analyzer/fileno-1.c -std=c++17 (test for excess errors)
+FAIL: c-c++-common/analyzer/fileno-1.c -std=c++20 (test for excess errors)
+FAIL: c-c++-common/analyzer/fileno-1.c -std=c++98 (test for excess errors)
+XPASS: c-c++-common/analyzer/flex-with-call-summaries.c -std=c++14  (test for bogus messages, line 1211)
+XPASS: c-c++-common/analyzer/flex-with-call-summaries.c -std=c++14  (test for bogus messages, line 888)
+FAIL: c-c++-common/analyzer/flex-with-call-summaries.c -std=c++14  (test for warnings, line 881)
+FAIL: c-c++-common/analyzer/flex-with-call-summaries.c -std=c++14 (test for excess errors)
+XPASS: c-c++-common/analyzer/flex-with-call-summaries.c -std=c++17  (test for bogus messages, line 1211)
+XPASS: c-c++-common/analyzer/flex-with-call-summaries.c -std=c++17  (test for bogus messages, line 888)
+FAIL: c-c++-common/analyzer/flex-with-call-summaries.c -std=c++17  (test for warnings, line 881)
+FAIL: c-c++-common/analyzer/flex-with-call-summaries.c -std=c++17 (test for excess errors)
+XPASS: c-c++-common/analyzer/flex-with-call-summaries.c -std=c++20  (test for bogus messages, line 1211)
+XPASS: c-c++-common/analyzer/flex-with-call-summaries.c -std=c++20  (test for bogus messages, line 888)
+FAIL: c-c++-common/analyzer/flex-with-call-summaries.c -std=c++20  (test for warnings, line 881)
+FAIL: c-c++-common/analyzer/flex-with-call-summaries.c -std=c++20 (test for excess errors)
+XPASS: c-c++-common/analyzer/flex-with-call-summaries.c -std=c++98  (test for bogus messages, line 1211)
+XPASS: c-c++-common/analyzer/flex-with-call-summaries.c -std=c++98  (test for bogus messages, line 888)
+FAIL: c-c++-common/analyzer/flex-with-call-summaries.c -std=c++98  (test for warnings, line 881)
+FAIL: c-c++-common/analyzer/flex-with-call-summaries.c -std=c++98 (test for excess errors)
+XPASS: c-c++-common/analyzer/flex-without-call-summaries.c -std=c++14  (test for bogus messages, line 889)
+FAIL: c-c++-common/analyzer/flex-without-call-summaries.c -std=c++14  at line 882 (test for warnings, line 881)
+FAIL: c-c++-common/analyzer/flex-without-call-summaries.c -std=c++14 (test for excess errors)
+XPASS: c-c++-common/analyzer/flex-without-call-summaries.c -std=c++17  (test for bogus messages, line 889)
+FAIL: c-c++-common/analyzer/flex-without-call-summaries.c -std=c++17  at line 882 (test for warnings, line 881)
+FAIL: c-c++-common/analyzer/flex-without-call-summaries.c -std=c++17 (test for excess errors)
+XPASS: c-c++-common/analyzer/flex-without-call-summaries.c -std=c++20  (test for bogus messages, line 889)
+FAIL: c-c++-common/analyzer/flex-without-call-summaries.c -std=c++20  at line 882 (test for warnings, line 881)
+FAIL: c-c++-common/analyzer/flex-without-call-summaries.c -std=c++20 (test for excess errors)
+XPASS: c-c++-common/analyzer/flex-without-call-summaries.c -std=c++98  (test for bogus messages, line 889)
+FAIL: c-c++-common/analyzer/flex-without-call-summaries.c -std=c++98  at line 882 (test for warnings, line 881)
+FAIL: c-c++-common/analyzer/flex-without-call-summaries.c -std=c++98 (test for excess errors)
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-11.c -std=c++14  2 blank line(s) in output
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-11.c -std=c++14  expected multiline pattern lines 46-61
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-11.c -std=c++14 (test for excess errors)
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-11.c -std=c++17  2 blank line(s) in output
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-11.c -std=c++17  expected multiline pattern lines 46-61
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-11.c -std=c++17 (test for excess errors)
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-11.c -std=c++20  2 blank line(s) in output
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-11.c -std=c++20  expected multiline pattern lines 46-61
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-11.c -std=c++20 (test for excess errors)
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-11.c -std=c++98  2 blank line(s) in output
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-11.c -std=c++98  expected multiline pattern lines 46-61
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-11.c -std=c++98 (test for excess errors)
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-8.c -std=c++14  2 blank line(s) in output
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-8.c -std=c++14  expected multiline pattern lines 19-34
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-8.c -std=c++14 (test for excess errors)
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-8.c -std=c++17  2 blank line(s) in output
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-8.c -std=c++17  expected multiline pattern lines 19-34
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-8.c -std=c++17 (test for excess errors)
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-8.c -std=c++20  2 blank line(s) in output
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-8.c -std=c++20  expected multiline pattern lines 19-34
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-8.c -std=c++20 (test for excess errors)
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-8.c -std=c++98  2 blank line(s) in output
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-8.c -std=c++98  expected multiline pattern lines 19-34
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-8.c -std=c++98 (test for excess errors)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++14  (test for warnings, line 11)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++14  (test for warnings, line 19)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++14  (test for warnings, line 26)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++14  (test for warnings, line 34)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++14  (test for warnings, line 35)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++14  at line 12 (test for warnings, line 11)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++14 (test for excess errors)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++17  (test for warnings, line 11)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++17  (test for warnings, line 19)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++17  (test for warnings, line 26)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++17  (test for warnings, line 34)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++17  (test for warnings, line 35)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++17  at line 12 (test for warnings, line 11)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++17 (test for excess errors)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++20  (test for warnings, line 11)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++20  (test for warnings, line 19)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++20  (test for warnings, line 26)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++20  (test for warnings, line 34)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++20  (test for warnings, line 35)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++20  at line 12 (test for warnings, line 11)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++20 (test for excess errors)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++98  (test for warnings, line 11)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++98  (test for warnings, line 19)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++98  (test for warnings, line 26)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++98  (test for warnings, line 34)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++98  (test for warnings, line 35)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++98  at line 12 (test for warnings, line 11)
+FAIL: g++.dg/analyzer/placement-new-size.C -std=c++98 (test for excess errors)
+
+Running g++:g++.dg/dg.exp ...
+FAIL: g++.dg/contracts/contracts-ctor-dtor2.C (test for errors, line 23)
+FAIL: g++.dg/contracts/contracts-ctor-dtor2.C (test for errors, line 27)
+FAIL: g++.dg/contracts/contracts-tmpl-spec2.C output pattern test
+FAIL: g++.dg/cpp2a/decomp2.C -std=gnu++14 execution test
+FAIL: g++.dg/cpp2a/decomp2.C -std=gnu++17 execution test
+FAIL: g++.dg/cpp2a/decomp2.C -std=gnu++20 execution test
+FAIL: g++.dg/opt/pr97315-1.C -std=gnu++14 (test for excess errors)
+FAIL: g++.dg/opt/pr97315-1.C -std=gnu++17 (test for excess errors)
+FAIL: g++.dg/opt/pr97315-1.C -std=gnu++20 (test for excess errors)
+FAIL: g++.dg/opt/pr97315-1.C -std=gnu++98 (test for excess errors)
+XPASS: g++.dg/warn/Wstringop-overflow-4.C -std=gnu++98 pr106120 (test for bogus messages, line 144)
+FAIL: g++.dg/warn/Wuse-after-free3.C -std=gnu++14 (test for excess errors)
+FAIL: g++.dg/warn/Wuse-after-free3.C -std=gnu++17 (test for excess errors)
+FAIL: g++.dg/warn/Wuse-after-free3.C -std=gnu++20 (test for excess errors)
+XPASS: g++.dg/warn/pr33738.C -std=gnu++14  (test for warnings, line 18)
+XPASS: g++.dg/warn/pr33738.C -std=gnu++14  (test for warnings, line 22)
+XPASS: g++.dg/warn/pr33738.C -std=gnu++17  (test for warnings, line 18)
+XPASS: g++.dg/warn/pr33738.C -std=gnu++17  (test for warnings, line 22)
+XPASS: g++.dg/warn/pr33738.C -std=gnu++20  (test for warnings, line 18)
+XPASS: g++.dg/warn/pr33738.C -std=gnu++20  (test for warnings, line 22)
+XPASS: g++.dg/warn/pr33738.C -std=gnu++98  (test for warnings, line 18)
+XPASS: g++.dg/warn/pr33738.C -std=gnu++98  (test for warnings, line 22)
+
+Running g++:g++.dg/lto/lto.exp ...
+FAIL: g++.dg/lto/pr65276 cp_lto_pr65276_0.o-cp_lto_pr65276_1.o link, -flto -O0 -std=c++11
+
+Running g++:g++.dg/modules/modules.exp ...
+FAIL: g++.dg/modules/xtreme-header-2_c.C -std=c++2b (test for excess errors)
+FAIL: g++.dg/modules/xtreme-header-5_c.C -std=c++2a (test for excess errors)
+FAIL: g++.dg/modules/xtreme-header-5_c.C -std=c++2b (test for excess errors)
+
+Running g++:g++.target/arm/arm.exp ...
+XPASS: g++.target/arm/bfloat_cpp_typecheck.C (test for bogus messages, line 10)
+XPASS: g++.target/arm/bfloat_cpp_typecheck.C (test for bogus messages, line 11)
+		=== gcc tests ===
+
+Running gcc:gcc.dg/analyzer/analyzer.exp ...
+FAIL: c-c++-common/analyzer/null-deref-pr108251-smp_fetch_ssl_fc_has_early-O2.c (test for excess errors)
+FAIL: c-c++-common/analyzer/null-deref-pr108251-smp_fetch_ssl_fc_has_early.c (test for excess errors)
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-11.c (test for excess errors)
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-11.c 2 blank line(s) in output
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-11.c expected multiline pattern lines 46-61
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-8.c (test for excess errors)
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-8.c 2 blank line(s) in output
+FAIL: c-c++-common/analyzer/out-of-bounds-diagram-8.c expected multiline pattern lines 19-34
+FAIL: gcc.dg/analyzer/out-of-bounds-diagram-10.c (test for excess errors)
+FAIL: gcc.dg/analyzer/out-of-bounds-diagram-10.c 2 blank line(s) in output
+FAIL: gcc.dg/analyzer/out-of-bounds-diagram-10.c expected multiline pattern lines 13-28
+FAIL: gcc.dg/analyzer/switch-enum-1.c (test for bogus messages, line 26)
+FAIL: gcc.dg/analyzer/switch-enum-1.c (test for bogus messages, line 44)
+FAIL: gcc.dg/analyzer/switch-enum-2.c (test for bogus messages, line 34)
+FAIL: gcc.dg/analyzer/switch-enum-2.c (test for bogus messages, line 52)
+
+Running gcc:gcc.dg/analyzer/torture/analyzer-torture.exp ...
+FAIL: gcc.dg/analyzer/torture/switch-enum-pr105273-doom-p_floor.c -O0   (test for bogus messages, line 82)
+FAIL: gcc.dg/analyzer/torture/switch-enum-pr105273-doom-p_maputl.c -O0   (test for bogus messages, line 83)
+
+Running gcc:gcc.dg/dg.exp ...
+FAIL: gcc.dg/Wnonnull-4.c (test for excess errors)
+XPASS: gcc.dg/Wstringop-overflow-47.c pr97027 (test for warnings, line 72)
+XPASS: gcc.dg/Wstringop-overflow-47.c pr97027 (test for warnings, line 77)
+XPASS: gcc.dg/Wstringop-overflow-47.c pr97027 note (test for warnings, line 68)
+FAIL: gcc.dg/c2x-stdarg-4.c execution test
+
+Running gcc:gcc.dg/ipa/ipa.exp ...
+FAIL: gcc.dg/ipa/ipa-icf-38.c scan-ltrans-tree-dump-not optimized "Function bar"
+FAIL: gcc.dg/ipa/ipa-icf-38.c scan-wpa-ipa-dump icf "Equal symbols: 1"
+FAIL: gcc.dg/ipa/ipa-icf-38.c scan-wpa-ipa-dump icf "Semantic equality hit:foo/[0-9+]+->bar/[0-9+]+"
+
+Running gcc:gcc.dg/plugin/plugin.exp ...
+FAIL: gcc.dg/plugin/must-tail-call-1.c -fplugin=./must_tail_call_plugin.so (internal compiler error: in df_refs_verify, at df-scan.cc:4009)
+FAIL: gcc.dg/plugin/must-tail-call-1.c -fplugin=./must_tail_call_plugin.so (test for excess errors)
+
+Running gcc:gcc.dg/torture/dg-torture.exp ...
+FAIL: gcc.dg/torture/builtin-iseqsig-1.c -Os  execution test
+FAIL: gcc.dg/torture/builtin-iseqsig-2.c -Os  execution test
+FAIL: gcc.dg/torture/builtin-iseqsig-3.c -Os  execution test
+FAIL: gcc.dg/torture/c2x-stdarg-split-1a.c -O0  execution test
+FAIL: gcc.dg/torture/c2x-stdarg-split-1a.c -O1  execution test
+FAIL: gcc.dg/torture/c2x-stdarg-split-1a.c -O2  execution test
+FAIL: gcc.dg/torture/c2x-stdarg-split-1a.c -O2 -flto -fno-use-linker-plugin -flto-partition=none  execution test
+FAIL: gcc.dg/torture/c2x-stdarg-split-1a.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  execution test
+FAIL: gcc.dg/torture/c2x-stdarg-split-1a.c -O3 -g  execution test
+FAIL: gcc.dg/torture/c2x-stdarg-split-1a.c -Os  execution test
+
+Running gcc:gcc.dg/tree-ssa/tree-ssa.exp ...
+FAIL: gcc.dg/tree-ssa/predcom-2.c scan-tree-dump-times pcom "Unrolling 2 times." 2
+FAIL: gcc.dg/tree-ssa/scev-3.c scan-tree-dump-times ivopts "&a" 1
+FAIL: gcc.dg/tree-ssa/scev-5.c scan-tree-dump-times ivopts "&a" 1
+
+Running gcc:gcc.dg/vect/vect.exp ...
+FAIL: gcc.dg/vect/slp-47.c -flto -ffat-lto-objects  scan-tree-dump-times vect "vectorizing stmts using SLP" 2
+FAIL: gcc.dg/vect/slp-47.c scan-tree-dump-times vect "vectorizing stmts using SLP" 2
+FAIL: gcc.dg/vect/slp-48.c -flto -ffat-lto-objects  scan-tree-dump-times vect "vectorizing stmts using SLP" 2
+FAIL: gcc.dg/vect/slp-48.c scan-tree-dump-times vect "vectorizing stmts using SLP" 2
+FAIL: gcc.dg/vect/slp-mask-store-1.c -flto -ffat-lto-objects execution test
+FAIL: gcc.dg/vect/slp-mask-store-1.c execution test
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s124.c -flto -ffat-lto-objects  scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s124.c scan-tree-dump vect "vectorized 1 loops"
+FAIL: gcc.dg/vect/tsvc/vect-tsvc-s1281.c -flto -ffat-lto-objects execution test
+FAIL: gcc.dg/vect/tsvc/vect-tsvc-s1281.c execution test
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s276.c -flto -ffat-lto-objects  scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s276.c scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s3111.c -flto -ffat-lto-objects  scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s3111.c scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s3113.c -flto -ffat-lto-objects  scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s3113.c scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s312.c -flto -ffat-lto-objects  scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s312.c scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s314.c -flto -ffat-lto-objects  scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s314.c scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s316.c -flto -ffat-lto-objects  scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s316.c scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s317.c -flto -ffat-lto-objects  scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s317.c scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s319.c -flto -ffat-lto-objects  scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s319.c scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s441.c -flto -ffat-lto-objects  scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s441.c scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s443.c -flto -ffat-lto-objects  scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s443.c scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s453.c -flto -ffat-lto-objects  scan-tree-dump vect "vectorized 1 loops"
+XPASS: gcc.dg/vect/tsvc/vect-tsvc-s453.c scan-tree-dump vect "vectorized 1 loops"
+FAIL: gcc.dg/vect/vect-fmax-2.c -flto -ffat-lto-objects  scan-tree-dump vect "Detected reduction"
+FAIL: gcc.dg/vect/vect-fmax-2.c -flto -ffat-lto-objects  scan-tree-dump vect "LOOP VECTORIZED"
+FAIL: gcc.dg/vect/vect-fmax-2.c scan-tree-dump vect "Detected reduction"
+FAIL: gcc.dg/vect/vect-fmax-2.c scan-tree-dump vect "LOOP VECTORIZED"
+FAIL: gcc.dg/vect/vect-fmax-3.c -flto -ffat-lto-objects  scan-tree-dump vect "Detected reduction"
+FAIL: gcc.dg/vect/vect-fmax-3.c -flto -ffat-lto-objects  scan-tree-dump vect "LOOP VECTORIZED"
+FAIL: gcc.dg/vect/vect-fmax-3.c scan-tree-dump vect "Detected reduction"
+FAIL: gcc.dg/vect/vect-fmax-3.c scan-tree-dump vect "LOOP VECTORIZED"
+FAIL: gcc.dg/vect/vect-fmin-2.c -flto -ffat-lto-objects  scan-tree-dump vect "Detected reduction"
+FAIL: gcc.dg/vect/vect-fmin-2.c -flto -ffat-lto-objects  scan-tree-dump vect "LOOP VECTORIZED"
+FAIL: gcc.dg/vect/vect-fmin-2.c scan-tree-dump vect "Detected reduction"
+FAIL: gcc.dg/vect/vect-fmin-2.c scan-tree-dump vect "LOOP VECTORIZED"
+FAIL: gcc.dg/vect/vect-fmin-3.c -flto -ffat-lto-objects  scan-tree-dump vect "Detected reduction"
+FAIL: gcc.dg/vect/vect-fmin-3.c -flto -ffat-lto-objects  scan-tree-dump vect "LOOP VECTORIZED"
+FAIL: gcc.dg/vect/vect-fmin-3.c scan-tree-dump vect "Detected reduction"
+FAIL: gcc.dg/vect/vect-fmin-3.c scan-tree-dump vect "LOOP VECTORIZED"
+
+Running gcc:gcc.misc-tests/gcov.exp ...
+FAIL: gcc.misc-tests/gcov-pr94029.c gcov failed: spawn failed
+
+Running gcc:gcc.target/arm/acle/acle.exp ...
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O0   check-function-bodies test_cls
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O0   check-function-bodies test_cls_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O0   check-function-bodies test_clsl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O0   check-function-bodies test_clsl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O0   check-function-bodies test_clz
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O0   check-function-bodies test_clz_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O0   check-function-bodies test_clzl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O0   check-function-bodies test_clzl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O0   check-function-bodies test_revll
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O0   check-function-bodies test_ror
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O0   check-function-bodies test_ror_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O0   check-function-bodies test_rorl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O0   check-function-bodies test_rorl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O1   check-function-bodies test_cls
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O1   check-function-bodies test_cls_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O1   check-function-bodies test_clsl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O1   check-function-bodies test_clsl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O1   check-function-bodies test_clz
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O1   check-function-bodies test_clz_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O1   check-function-bodies test_clzl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O1   check-function-bodies test_clzl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O1   check-function-bodies test_revll
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O1   check-function-bodies test_ror
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O1   check-function-bodies test_ror_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O1   check-function-bodies test_rorl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O1   check-function-bodies test_rorl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2   check-function-bodies test_cls
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2   check-function-bodies test_cls_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2   check-function-bodies test_clsl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2   check-function-bodies test_clsl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2   check-function-bodies test_clz
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2   check-function-bodies test_clz_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2   check-function-bodies test_clzl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2   check-function-bodies test_clzl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2   check-function-bodies test_revll
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2   check-function-bodies test_ror
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2   check-function-bodies test_ror_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2   check-function-bodies test_rorl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2   check-function-bodies test_rorl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O3 -g   check-function-bodies test_cls
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O3 -g   check-function-bodies test_cls_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O3 -g   check-function-bodies test_clsl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O3 -g   check-function-bodies test_clsl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O3 -g   check-function-bodies test_clz
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O3 -g   check-function-bodies test_clz_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O3 -g   check-function-bodies test_clzl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O3 -g   check-function-bodies test_clzl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O3 -g   check-function-bodies test_revll
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O3 -g   check-function-bodies test_ror
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O3 -g   check-function-bodies test_ror_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O3 -g   check-function-bodies test_rorl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O3 -g   check-function-bodies test_rorl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -Os   check-function-bodies test_cls
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -Os   check-function-bodies test_cls_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -Os   check-function-bodies test_clsl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -Os   check-function-bodies test_clsl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -Os   check-function-bodies test_clz
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -Os   check-function-bodies test_clz_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -Os   check-function-bodies test_clzl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -Os   check-function-bodies test_clzl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -Os   check-function-bodies test_revll
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -Os   check-function-bodies test_ror
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -Os   check-function-bodies test_ror_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -Os   check-function-bodies test_rorl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -Os   check-function-bodies test_rorl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fno-use-linker-plugin -flto-partition=none -ffat-lto-objects  check-function-bodies test_cls
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fno-use-linker-plugin -flto-partition=none -ffat-lto-objects  check-function-bodies test_cls_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fno-use-linker-plugin -flto-partition=none -ffat-lto-objects  check-function-bodies test_clsl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fno-use-linker-plugin -flto-partition=none -ffat-lto-objects  check-function-bodies test_clsl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fno-use-linker-plugin -flto-partition=none -ffat-lto-objects  check-function-bodies test_clz
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fno-use-linker-plugin -flto-partition=none -ffat-lto-objects  check-function-bodies test_clz_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fno-use-linker-plugin -flto-partition=none -ffat-lto-objects  check-function-bodies test_clzl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fno-use-linker-plugin -flto-partition=none -ffat-lto-objects  check-function-bodies test_clzl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fno-use-linker-plugin -flto-partition=none -ffat-lto-objects  check-function-bodies test_revll
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fno-use-linker-plugin -flto-partition=none -ffat-lto-objects  check-function-bodies test_ror
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fno-use-linker-plugin -flto-partition=none -ffat-lto-objects  check-function-bodies test_ror_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fno-use-linker-plugin -flto-partition=none -ffat-lto-objects  check-function-bodies test_rorl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fno-use-linker-plugin -flto-partition=none -ffat-lto-objects  check-function-bodies test_rorl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -ffat-lto-objects  check-function-bodies test_cls
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -ffat-lto-objects  check-function-bodies test_cls_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -ffat-lto-objects  check-function-bodies test_clsl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -ffat-lto-objects  check-function-bodies test_clsl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -ffat-lto-objects  check-function-bodies test_clz
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -ffat-lto-objects  check-function-bodies test_clz_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -ffat-lto-objects  check-function-bodies test_clzl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -ffat-lto-objects  check-function-bodies test_clzl_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -ffat-lto-objects  check-function-bodies test_revll
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -ffat-lto-objects  check-function-bodies test_ror
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -ffat-lto-objects  check-function-bodies test_ror_mem
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -ffat-lto-objects  check-function-bodies test_rorl
+FAIL: gcc.target/arm/acle/data-intrinsics-assembly.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -ffat-lto-objects  check-function-bodies test_rorl_mem
+
+Running gcc:gcc.target/arm/arm.exp ...
+FAIL: gcc.target/arm/addr-modes-float.c scan-assembler vst3.8\t{d[02468], d[02468], d[02468]}, \\[r[0-9]+\\]!
+FAIL: gcc.target/arm/addr-modes-int.c (test for excess errors)
+UNRESOLVED: gcc.target/arm/addr-modes-int.c scan-assembler ldr.*#4]!
+UNRESOLVED: gcc.target/arm/addr-modes-int.c scan-assembler ldr.*], #4
+UNRESOLVED: gcc.target/arm/addr-modes-int.c scan-assembler ldrb.*#1]!
+UNRESOLVED: gcc.target/arm/addr-modes-int.c scan-assembler ldrb.*], #1
+UNRESOLVED: gcc.target/arm/addr-modes-int.c scan-assembler ldrd.*#8]!
+UNRESOLVED: gcc.target/arm/addr-modes-int.c scan-assembler ldrd.*], #8
+UNRESOLVED: gcc.target/arm/addr-modes-int.c scan-assembler ldrsh.*#2]!
+UNRESOLVED: gcc.target/arm/addr-modes-int.c scan-assembler ldrsh.*], #2
+UNRESOLVED: gcc.target/arm/addr-modes-int.c scan-assembler str.*#4]!
+UNRESOLVED: gcc.target/arm/addr-modes-int.c scan-assembler str.*], #4
+UNRESOLVED: gcc.target/arm/addr-modes-int.c scan-assembler strb.*#1]!
+UNRESOLVED: gcc.target/arm/addr-modes-int.c scan-assembler strb.*], #1
+UNRESOLVED: gcc.target/arm/addr-modes-int.c scan-assembler strd.*#8]!
+UNRESOLVED: gcc.target/arm/addr-modes-int.c scan-assembler strd.*], #8
+UNRESOLVED: gcc.target/arm/addr-modes-int.c scan-assembler strh.*#2]!
+UNRESOLVED: gcc.target/arm/addr-modes-int.c scan-assembler strh.*], #2
+UNRESOLVED: gcc.target/arm/addr-modes-int.c scan-assembler-not \tadd
+FAIL: gcc.target/arm/attr-crypto.c (test for excess errors)
+UNRESOLVED: gcc.target/arm/attr-crypto.c scan-assembler sha256su0.32\tq[0-9]+, q[0-9]+
+FAIL: gcc.target/arm/bfloat16_scalar_typecheck.c (test for errors, line 45)
+FAIL: gcc.target/arm/bfloat16_scalar_typecheck.c (test for errors, line 97)
+FAIL: gcc.target/arm/cortex-m55-nodsp-flag-hard.c scan-assembler .arch_extension fp
+FAIL: gcc.target/arm/cortex-m55-nodsp-flag-hard.c scan-assembler .arch_extension fp.dp
+FAIL: gcc.target/arm/cortex-m55-nodsp-flag-hard.c scan-assembler .fpu fpv5-d16
+FAIL: gcc.target/arm/cortex-m55-nodsp-flag-softfp.c scan-assembler .arch_extension fp
+FAIL: gcc.target/arm/cortex-m55-nodsp-flag-softfp.c scan-assembler .arch_extension fp.dp
+FAIL: gcc.target/arm/cortex-m55-nodsp-flag-softfp.c scan-assembler .fpu fpv5-d16
+FAIL: gcc.target/arm/cortex-m55-nodsp-nofp-flag-softfp.c scan-assembler .fpu softvfp
+FAIL: gcc.target/arm/cortex-m55-nofp-flag-hard.c scan-assembler .arch_extension dsp
+FAIL: gcc.target/arm/cortex-m55-nofp-flag-hard.c scan-assembler .arch_extension mve
+FAIL: gcc.target/arm/cortex-m55-nofp-flag-hard.c scan-assembler .fpu softvfp
+FAIL: gcc.target/arm/cortex-m55-nofp-flag-softfp.c scan-assembler .arch_extension dsp
+FAIL: gcc.target/arm/cortex-m55-nofp-flag-softfp.c scan-assembler .arch_extension mve
+FAIL: gcc.target/arm/cortex-m55-nofp-flag-softfp.c scan-assembler .fpu softvfp
+FAIL: gcc.target/arm/cortex-m55-nofp-nomve-flag-softfp.c scan-assembler .arch_extension dsp
+FAIL: gcc.target/arm/cortex-m55-nofp-nomve-flag-softfp.c scan-assembler .fpu softvfp
+FAIL: gcc.target/arm/cortex-m55-nomve-flag-hard.c scan-assembler .arch_extension dsp
+FAIL: gcc.target/arm/cortex-m55-nomve-flag-hard.c scan-assembler .arch_extension fp
+FAIL: gcc.target/arm/cortex-m55-nomve-flag-hard.c scan-assembler .arch_extension fp.dp
+FAIL: gcc.target/arm/cortex-m55-nomve-flag-hard.c scan-assembler .fpu fpv5-d16
+FAIL: gcc.target/arm/cortex-m55-nomve-flag-softfp.c scan-assembler .arch_extension dsp
+FAIL: gcc.target/arm/cortex-m55-nomve-flag-softfp.c scan-assembler .arch_extension fp
+FAIL: gcc.target/arm/cortex-m55-nomve-flag-softfp.c scan-assembler .arch_extension fp.dp
+FAIL: gcc.target/arm/cortex-m55-nomve-flag-softfp.c scan-assembler .fpu fpv5-d16
+FAIL: gcc.target/arm/cortex-m55-nomve.fp-flag-hard.c scan-assembler .arch_extension dsp
+FAIL: gcc.target/arm/cortex-m55-nomve.fp-flag-hard.c scan-assembler .arch_extension fp
+FAIL: gcc.target/arm/cortex-m55-nomve.fp-flag-hard.c scan-assembler .arch_extension fp.dp
+FAIL: gcc.target/arm/cortex-m55-nomve.fp-flag-hard.c scan-assembler .arch_extension mve
+FAIL: gcc.target/arm/cortex-m55-nomve.fp-flag-hard.c scan-assembler .fpu fpv5-d16
+FAIL: gcc.target/arm/cortex-m55-nomve.fp-flag-softfp.c scan-assembler .arch_extension dsp
+FAIL: gcc.target/arm/cortex-m55-nomve.fp-flag-softfp.c scan-assembler .arch_extension fp
+FAIL: gcc.target/arm/cortex-m55-nomve.fp-flag-softfp.c scan-assembler .arch_extension fp.dp
+FAIL: gcc.target/arm/cortex-m55-nomve.fp-flag-softfp.c scan-assembler .arch_extension mve
+FAIL: gcc.target/arm/cortex-m55-nomve.fp-flag-softfp.c scan-assembler .fpu fpv5-d16
+FAIL: gcc.target/arm/fmaxmin.c scan-assembler-times vmaxnm.f32\ts[0-9]+, s[0-9]+, s[0-9]+ 1
+FAIL: gcc.target/arm/fmaxmin.c scan-assembler-times vminnm.f32\ts[0-9]+, s[0-9]+, s[0-9]+ 1
+FAIL: gcc.target/arm/memset-inline-8.c scan-assembler-not vstr
+FAIL: gcc.target/arm/pr40457-2.c scan-assembler strd|stm
+FAIL: gcc.target/arm/pr43920-2.c object-size text <= 54
+FAIL: gcc.target/arm/pr43920-2.c scan-assembler-times pop 2
+FAIL: gcc.target/arm/pr59575.c (test for excess errors)
+FAIL: gcc.target/arm/pr60650-2.c (test for excess errors)
+FAIL: gcc.target/arm/pr60657.c (test for excess errors)
+FAIL: gcc.target/arm/pr60663.c (test for excess errors)
+FAIL: gcc.target/arm/pr81863.c (test for excess errors)
+UNRESOLVED: gcc.target/arm/pr81863.c scan-assembler-not [\\t ]+movw
+FAIL: gcc.target/arm/pr98931.c (test for excess errors)
+UNRESOLVED: gcc.target/arm/pr98931.c scan-assembler-not le\\slr,\\s\\S*
+		=== libstdc++ tests ===
+
+Running libstdc++:libstdc++-dg/conformance.exp ...
+FAIL: 19_diagnostics/stacktrace/current.cc -std=gnu++23 execution test
+FAIL: 19_diagnostics/stacktrace/current.cc -std=gnu++26 execution test
+FAIL: 19_diagnostics/stacktrace/entry.cc -std=gnu++23 execution test
+FAIL: 19_diagnostics/stacktrace/entry.cc -std=gnu++26 execution test
+FAIL: 19_diagnostics/stacktrace/stacktrace.cc -std=gnu++23 execution test
+FAIL: 19_diagnostics/stacktrace/stacktrace.cc -std=gnu++26 execution test
+FAIL: 22_locale/ctype/scan/wchar_t/1.cc -std=gnu++17 execution test
+FAIL: 23_containers/vector/bool/110807.cc -std=gnu++17 (test for excess errors)
+FAIL: 27_io/basic_filebuf/underflow/wchar_t/11603.cc -std=gnu++17 execution test
+FAIL: 27_io/basic_fstream/53984.cc -std=gnu++17 execution test
+FAIL: 29_atomics/atomic/compare_exchange_padding.cc -std=gnu++20 execution test
+FAIL: 29_atomics/atomic/compare_exchange_padding.cc -std=gnu++26 execution test
+XPASS: ext/stdio_filebuf/char/10063-2.cc -std=gnu++17 execution test
+XPASS: ext/stdio_filebuf/char/10063-3.cc -std=gnu++17 execution test
diff --git a/12-check_regression/console.log.xz b/12-check_regression/console.log.xz
new file mode 100644
index 00000000..360b3dee
Binary files /dev/null and b/12-check_regression/console.log.xz differ
diff --git a/12-check_regression/extra-bisect-params b/12-check_regression/extra-bisect-params
new file mode 100644
index 00000000..0d38de83
--- /dev/null
+++ b/12-check_regression/extra-bisect-params
@@ -0,0 +1 @@
+extra_build_params=++testsuites gcc:gcc.dg/dg.exp ++testsuites gcc:gcc.dg/torture/dg-torture.exp 
diff --git a/12-check_regression/fails.sum b/12-check_regression/fails.sum
new file mode 100644
index 00000000..b045c384
--- /dev/null
+++ b/12-check_regression/fails.sum
@@ -0,0 +1,19 @@
+		=== gcc tests ===
+
+Running gcc:gcc.dg/dg.exp ...
+FAIL: gcc.dg/c23-stdarg-4.c execution test
+
+Running gcc:gcc.dg/torture/dg-torture.exp ...
+FAIL: gcc.dg/torture/c23-stdarg-split-1a.c -O0  execution test
+FAIL: gcc.dg/torture/c23-stdarg-split-1a.c -O1  execution test
+FAIL: gcc.dg/torture/c23-stdarg-split-1a.c -O2  execution test
+FAIL: gcc.dg/torture/c23-stdarg-split-1a.c -O2 -flto -fno-use-linker-plugin -flto-partition=none  execution test
+FAIL: gcc.dg/torture/c23-stdarg-split-1a.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects  execution test
+FAIL: gcc.dg/torture/c23-stdarg-split-1a.c -O3 -g  execution test
+FAIL: gcc.dg/torture/c23-stdarg-split-1a.c -Os  execution test
+
+		=== Results Summary ===
+
+# of stable fails		376
+# of flaky entries		1
+# of all tests			409229
diff --git a/12-check_regression/flaky.xfail b/12-check_regression/flaky.xfail
new file mode 100644
index 00000000..383a7aab
--- /dev/null
+++ b/12-check_regression/flaky.xfail
@@ -0,0 +1,69 @@
+################################
+# Known flaky tests
+
+# From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/193/:
+		=== gcc tests ===
+
+Running gcc:gcc.dg/vect/vect.exp ...
+flaky,expire=20231216 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s2712.c execution test
+
+		=== Results Summary ===
+
+# From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/168/:
+		=== gcc tests ===
+
+Running gcc:gcc.dg/vect/vect.exp ...
+flaky,expire=20231104 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s2712.c execution test
+
+		=== Results Summary ===
+
+# From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/156/:
+		=== gcc tests ===
+
+Running gcc:gcc.dg/vect/vect.exp ...
+flaky,expire=20231029 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s271.c -flto -ffat-lto-objects execution test
+flaky,expire=20231029 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s271.c execution test
+
+		=== Results Summary ===
+
+# From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/151/:
+		=== gcc tests ===
+
+Running gcc:gcc.dg/vect/vect.exp ...
+flaky,expire=20231028 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s2712.c -flto -ffat-lto-objects execution test
+flaky,expire=20231028 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s452.c execution test
+flaky,expire=20231028 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-vdotr.c -flto -ffat-lto-objects execution test
+
+		=== Results Summary ===
+
+# From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/145/:
+		=== gcc tests ===
+
+Running gcc:gcc.dg/vect/vect.exp ...
+flaky,expire=20231025 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s2711.c execution test
+
+		=== Results Summary ===
+
+# From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/116/:
+		=== gcc tests ===
+
+Running gcc:gcc.dg/vect/vect.exp ...
+flaky,expire=20231014 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s271.c execution test
+
+		=== Results Summary ===
+
+# From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/111/:
+		=== gcc tests ===
+
+Running gcc:gcc.dg/vect/vect.exp ...
+flaky,expire=20231014 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s271.c -flto -ffat-lto-objects execution test
+
+		=== Results Summary ===
+
+# From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/5/:
+		=== gcc tests ===
+
+Running gcc:gcc.dg/vect/vect.exp ...
+flaky,expire=20230914 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s271.c execution test
+
+		=== Results Summary ===
diff --git a/12-check_regression/results.regressions b/12-check_regression/results.regressions
new file mode 100644
index 00000000..bdcca4a9
--- /dev/null
+++ b/12-check_regression/results.regressions
@@ -0,0 +1 @@
+# 8 regressions
diff --git a/12-check_regression/trigger-bisect b/12-check_regression/trigger-bisect
new file mode 100644
index 00000000..4c0aab70
--- /dev/null
+++ b/12-check_regression/trigger-bisect
@@ -0,0 +1,3 @@
+current_project=gcc
+bad_git=https://github.com/gcc-mirror/gcc.git#f27246b009636aff4733ccfca1a42c3914d7d9c6
+extra_build_params=++testsuites gcc:gcc.dg/dg.exp ++testsuites gcc:gcc.dg/torture/dg-torture.exp 
diff --git a/README.html b/README.html
index 986182d3..cf69222d 100644
--- a/README.html
+++ b/README.html
@@ -61,6 +61,8 @@ List of files below:
 <li><a href="./jenkins/run-build.env/*view*/">./jenkins/run-build.env</a>
 <li><a href="./manifest.sh/*view*/">./manifest.sh</a>
 <li><a href="./notify/configure-make.txt">./notify/configure-make.txt</a>
+<li><a href="./notify/configure-toolchain.txt/*view*/">./notify/configure-toolchain.txt</a>
+<li><a href="./notify/fixes.sum/*view*/">./notify/fixes.sum</a>
 <li><a href="./notify/jira/comment-card.txt/*view*/">./notify/jira/comment-card.txt</a>
 <li><a href="./notify/jira/comment-template.txt/*view*/">./notify/jira/comment-template.txt</a>
 <li><a href="./notify/jira/components/*view*/">./notify/jira/components</a>
@@ -69,7 +71,7 @@ List of files below:
 <li><a href="./notify/jira/startdate/*view*/">./notify/jira/startdate</a>
 <li><a href="./notify/jira/summary/*view*/">./notify/jira/summary</a>
 <li><a href="./notify/jira/yaml/*view*/">./notify/jira/yaml</a>
-<li><a href="./notify/lnt_report.json">./notify/lnt_report.json</a>
+<li><a href="./notify/lnt_report.json/*view*/">./notify/lnt_report.json</a>
 <li><a href="./notify/mail-body.txt/*view*/">./notify/mail-body.txt</a>
 <li><a href="./notify/mail-recipients.txt/*view*/">./notify/mail-recipients.txt</a>
 <li><a href="./notify/mail-subject.txt/*view*/">./notify/mail-subject.txt</a>
diff --git a/README.txt b/README.txt
index 8f2652d2..fef471e5 100644
--- a/README.txt
+++ b/README.txt
@@ -58,6 +58,8 @@ List of files below:
 - ./jenkins/run-build.env
 - ./manifest.sh
 - ./notify/configure-make.txt
+- ./notify/configure-toolchain.txt
+- ./notify/fixes.sum
 - ./notify/jira/comment-card.txt
 - ./notify/jira/comment-template.txt
 - ./notify/jira/components
diff --git a/results b/results
index da2f5d9d..666b5161 100644
--- a/results
+++ b/results
@@ -17,3 +17,4 @@
 # build_abe check_gcc -- --set gcc_override_configure=--disable-multilib --set gcc_override_configure=--with-mode=thumb --set gcc_override_configure=--with-arch=armv8-a+simd --set gcc_override_configure=--with-fpu=crypto-neon-fp-armv8 --set gcc_override_configure=--with-float=hard --set target_board_options={-mthumb/-march=armv8-a+simd/-mfpu=auto/-mfloat-abi=hard} --qemu-cpu any:
 0
 # 8 regressions
+# 8 regressions
diff --git a/sumfiles/xfails.xfail b/sumfiles/xfails.xfail
index 33ee47aa..1f734d07 100644
--- a/sumfiles/xfails.xfail
+++ b/sumfiles/xfails.xfail
@@ -3,24 +3,9 @@
 # - known flaky tests (from baseline)
 # - known failures (from baseline)
 #
+################################
 # Known flaky tests
 
-# From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/205/:
-		=== gcc tests ===
-
-Running gcc:gcc.dg/vect/vect.exp ...
-flaky,expire=20231222 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-vdotr.c execution test
-
-		=== Results Summary ===
-
-# From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/197/:
-		=== gcc tests ===
-
-Running gcc:gcc.dg/vect/vect.exp ...
-flaky,expire=20231219 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s271.c execution test
-
-		=== Results Summary ===
-
 # From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/193/:
 		=== gcc tests ===
 
@@ -29,55 +14,6 @@ flaky,expire=20231216 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s2712.c execution test
 
 		=== Results Summary ===
 
-# From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/189/:
-		=== gcc tests ===
-
-Running gcc:gcc.dg/vect/vect.exp ...
-flaky,expire=20231213 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s271.c -flto -ffat-lto-objects execution test
-
-		=== Results Summary ===
-
-# From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/188/:
-		=== gcc tests ===
-
-Running gcc:gcc.dg/vect/vect.exp ...
-flaky,expire=20231209 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s2711.c -flto -ffat-lto-objects execution test
-
-		=== Results Summary ===
-
-# From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/183/:
-		=== gcc tests ===
-
-Running gcc:gcc.dg/vect/vect.exp ...
-flaky,expire=20231130 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s2712.c execution test
-
-		=== Results Summary ===
-
-# From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/182/:
-		=== gcc tests ===
-
-Running gcc:gcc.dg/vect/vect.exp ...
-flaky,expire=20231130 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s2711.c execution test
-
-		=== Results Summary ===
-
-# From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/176/:
-		=== gcc tests ===
-
-Running gcc:gcc.dg/vect/vect.exp ...
-flaky,expire=20231121 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s271.c execution test
-flaky,expire=20231121 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s271.c -flto -ffat-lto-objects execution test
-
-		=== Results Summary ===
-
-# From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/171/:
-		=== gcc tests ===
-
-Running gcc:gcc.dg/vect/vect.exp ...
-flaky,expire=20231106 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s351.c -flto -ffat-lto-objects execution test
-
-		=== Results Summary ===
-
 # From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/168/:
 		=== gcc tests ===
 
@@ -86,20 +22,6 @@ flaky,expire=20231104 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s2712.c execution test
 
 		=== Results Summary ===
 
-# From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/161/:
-		=== gcc tests ===
-
-Running gcc:gcc.dg/dg.exp ...
-flaky,expire=20231029 | UNRESOLVED: gcc.dg/long_branch.c compilation failed to produce executable
-flaky,expire=20231029 | FAIL: gcc.dg/long_branch.c (test for excess errors)
-
-Running gcc:gcc.dg/vect/vect.exp ...
-flaky,expire=20231029 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s1351.c -flto -ffat-lto-objects execution test
-flaky,expire=20231029 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s254.c execution test
-flaky,expire=20231029 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-vtv.c execution test
-
-		=== Results Summary ===
-
 # From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/156/:
 		=== gcc tests ===
 
@@ -127,18 +49,6 @@ flaky,expire=20231025 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s2711.c execution test
 
 		=== Results Summary ===
 
-# From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/119/:
-		=== gcc tests ===
-
-Running gcc:gcc.dg/vect/vect.exp ...
-flaky,expire=20231016 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s2712.c execution test
-flaky,expire=20231016 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s351.c -flto -ffat-lto-objects execution test
-flaky,expire=20231016 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s351.c execution test
-flaky,expire=20231016 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s452.c -flto -ffat-lto-objects execution test
-flaky,expire=20231016 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-vdotr.c execution test
-
-		=== Results Summary ===
-
 # From https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_v8a_hard_eabi-build/116/:
 		=== gcc tests ===
 
@@ -162,6 +72,7 @@ Running gcc:gcc.dg/vect/vect.exp ...
 flaky,expire=20230914 | FAIL: gcc.dg/vect/tsvc/vect-tsvc-s271.c execution test
 
 		=== Results Summary ===
+################################
 # Known failures (from baseline)
 		=== g++ tests ===
 
