diff --git a/notify/configure-toolchain.txt b/notify/configure-toolchain.txt new file mode 100644 index 00000000..7c34a3bd --- /dev/null +++ b/notify/configure-toolchain.txt @@ -0,0 +1,5 @@ + +Most relevant configure and test flags: --target arm-eabi --disable-multilib --with-mode=thumb --with-cpu=cortex-m0 --with-float=soft --target_board=-mthumb/-march=armv6s-m/-mtune=cortex-m0/-mfloat-abi=soft/-mfpu=auto qemu_cpu=cortex-m0 + +Full configure and make flags for each step: + diff --git a/notify/fixes.sum b/notify/fixes.sum new file mode 100644 index 00000000..44b4c681 --- /dev/null +++ b/notify/fixes.sum @@ -0,0 +1,12 @@ + === g++ tests === + +Running g++:g++.dg/dg.exp ... +FAIL: g++.dg/cpp2a/consteval-prop21.C -std=c++20 (test for excess errors) +FAIL: g++.dg/cpp2a/consteval-prop21.C -std=c++26 (test for excess errors) +FAIL: g++.dg/cpp2a/consteval-prop21.C -std=c++23 (test for excess errors) + + === Results Summary === + +# of stable fails 270 +# of flaky entries 34 +# of all tests 375867 diff --git a/notify/jira/comment-template.txt b/notify/jira/comment-template.txt index 3b03a3c9..d622cca8 100644 --- a/notify/jira/comment-template.txt +++ b/notify/jira/comment-template.txt @@ -1,3 +1,3 @@ [GNU-692] -PASS: 3 improvements + 3 fixes Details: https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m0_soft_eabi-build/93/artifact/artifacts/notify/mail-body.txt/*view*/ diff --git a/notify/lnt_report.json b/notify/lnt_report.json index 9b112d2a..0f7408fa 100644 --- a/notify/lnt_report.json +++ b/notify/lnt_report.json @@ -7,15 +7,15 @@ "Info": { "tag": "tcwg_gnu_embed_check_gcc", "test_url": "https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m0_soft_eabi-build/93/", - "run_order": "0093 (basepoints/gcc-15-02443-gd498e79ebe9)", - "git_binutils": "https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=ef2a5e0d077962844db9e803e10abfee34feb312 (unchanged)", - "git_gcc": "https://github.com/gcc-mirror/gcc/commit/d498e79ebe90415047b0bdfdb70e0d579a88965b (+ 70 commits)", - "git_newlib": "https://sourceware.org/git/?p=newlib-cygwin.git;a=commit;h=d001c01a7c5277194e7f8891f0228a2e3c4c64e1 (unchanged)", - "git_gdb": "https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=ef2a5e0d077962844db9e803e10abfee34feb312 (unchanged)", - "git_qemu": "https://gitlab.com/qemu-project/qemu/commit/f9851d2ffef59b3a7f39513469263ab3b019480f (unchanged)", + "run_order": "0093 (5-changed-components)", + "git_binutils": "https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=ef2a5e0d077962844db9e803e10abfee34feb312 (+ 70 commits)", + "git_gcc": "https://github.com/gcc-mirror/gcc/commit/d498e79ebe90415047b0bdfdb70e0d579a88965b (+ 81 commits)", + "git_newlib": "https://sourceware.org/git/?p=newlib-cygwin.git;a=commit;h=d001c01a7c5277194e7f8891f0228a2e3c4c64e1 (+ 4 commits)", + "git_gdb": "https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=ef2a5e0d077962844db9e803e10abfee34feb312 (+ 70 commits)", + "git_qemu": "https://gitlab.com/qemu-project/qemu/commit/f9851d2ffef59b3a7f39513469263ab3b019480f (+ 106 commits)", "__report_version__": "1" }, - "Start Time": "2024-08-02 09:33:18" + "Start Time": "2024-07-30 19:07:29" }, "Tests": [ { @@ -140,18 +140,18 @@ , { "Data": [ - 42 + 164 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.g++.FAIL.nb_FAIL" + "Name": "tcwg_gnu_embed_check_gcc.gcc.FAIL.nb_FAIL" } , { "Data": [ - 3 + 29 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.g++.UNRESOLVED.nb_UNRESOLVED" + "Name": "tcwg_gnu_embed_check_gcc.gcc.UNRESOLVED.nb_UNRESOLVED" } , { @@ -159,7 +159,7 @@ 0 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.g++.UNTESTED.nb_UNTESTED" + "Name": "tcwg_gnu_embed_check_gcc.gcc.UNTESTED.nb_UNTESTED" } , { @@ -167,15 +167,15 @@ 0 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.g++.ERROR.nb_ERROR" + "Name": "tcwg_gnu_embed_check_gcc.gcc.ERROR.nb_ERROR" } , { "Data": [ - 8 + 3 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.g++.XPASS.nb_XPASS" + "Name": "tcwg_gnu_embed_check_gcc.gcc.XPASS.nb_XPASS" } , { @@ -183,7 +183,7 @@ 0 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.g++.OTHER.nb_OTHER" + "Name": "tcwg_gnu_embed_check_gcc.gcc.OTHER.nb_OTHER" } , { @@ -191,63 +191,63 @@ 0 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.g++.KFAIL.nb_KFAIL" + "Name": "tcwg_gnu_embed_check_gcc.gcc.KFAIL.nb_KFAIL" } , { "Data": [ - 1416 + 900 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.g++.XFAIL.nb_XFAIL" + "Name": "tcwg_gnu_embed_check_gcc.gcc.XFAIL.nb_XFAIL" } , { "Data": [ - 199197 + 149131 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.g++.PASS.nb_PASS" + "Name": "tcwg_gnu_embed_check_gcc.gcc.PASS.nb_PASS" } , { "Data": [ - 2470 + 5355 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.g++.UNSUPPORTED.nb_UNSUPPORTED" + "Name": "tcwg_gnu_embed_check_gcc.gcc.UNSUPPORTED.nb_UNSUPPORTED" } , { "Data": [ - 203083 + 155386 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.g++.good.nb_good" + "Name": "tcwg_gnu_embed_check_gcc.gcc.good.nb_good" } , { "Data": [ - 53 + 196 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.g++.bad.nb_bad" + "Name": "tcwg_gnu_embed_check_gcc.gcc.bad.nb_bad" } , { "Data": [ - 164 + 42 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.gcc.FAIL.nb_FAIL" + "Name": "tcwg_gnu_embed_check_gcc.g++.FAIL.nb_FAIL" } , { "Data": [ - 29 + 3 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.gcc.UNRESOLVED.nb_UNRESOLVED" + "Name": "tcwg_gnu_embed_check_gcc.g++.UNRESOLVED.nb_UNRESOLVED" } , { @@ -255,7 +255,7 @@ 0 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.gcc.UNTESTED.nb_UNTESTED" + "Name": "tcwg_gnu_embed_check_gcc.g++.UNTESTED.nb_UNTESTED" } , { @@ -263,15 +263,15 @@ 0 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.gcc.ERROR.nb_ERROR" + "Name": "tcwg_gnu_embed_check_gcc.g++.ERROR.nb_ERROR" } , { "Data": [ - 3 + 8 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.gcc.XPASS.nb_XPASS" + "Name": "tcwg_gnu_embed_check_gcc.g++.XPASS.nb_XPASS" } , { @@ -279,7 +279,7 @@ 0 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.gcc.OTHER.nb_OTHER" + "Name": "tcwg_gnu_embed_check_gcc.g++.OTHER.nb_OTHER" } , { @@ -287,47 +287,47 @@ 0 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.gcc.KFAIL.nb_KFAIL" + "Name": "tcwg_gnu_embed_check_gcc.g++.KFAIL.nb_KFAIL" } , { "Data": [ - 900 + 1416 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.gcc.XFAIL.nb_XFAIL" + "Name": "tcwg_gnu_embed_check_gcc.g++.XFAIL.nb_XFAIL" } , { "Data": [ - 149131 + 199197 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.gcc.PASS.nb_PASS" + "Name": "tcwg_gnu_embed_check_gcc.g++.PASS.nb_PASS" } , { "Data": [ - 5355 + 2470 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.gcc.UNSUPPORTED.nb_UNSUPPORTED" + "Name": "tcwg_gnu_embed_check_gcc.g++.UNSUPPORTED.nb_UNSUPPORTED" } , { "Data": [ - 155386 + 203083 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.gcc.good.nb_good" + "Name": "tcwg_gnu_embed_check_gcc.g++.good.nb_good" } , { "Data": [ - 196 + 53 ], "Info": {}, - "Name": "tcwg_gnu_embed_check_gcc.gcc.bad.nb_bad" + "Name": "tcwg_gnu_embed_check_gcc.g++.bad.nb_bad" } , { diff --git a/notify/mail-body.txt b/notify/mail-body.txt index f0776693..47862418 100644 --- a/notify/mail-body.txt +++ b/notify/mail-body.txt @@ -1,41 +1,41 @@ -Dear contributor, our automatic CI has detected problems related to your patch(es). Please find some details below. If you have any questions, please follow up on linaro-toolchain@lists.linaro.org mailing list, Libera's #linaro-tcwg channel, or ping your favourite Linaro toolchain developer on the usual project channel. +Dear contributor, -We appreciate that it might be difficult to find the necessary logs or reproduce the issue locally. If you can't get what you need from our CI within minutes, let us know and we will be happy to help. +Our automatic CI successfully passed with your patch(es). Please find some details below. -In arm-eabi cortex-m0 soft after: - - | 70 commits in gcc +In arm-eabi cortex-m0 soft, after: + | 81 commits in gcc | d498e79ebe9 testsuite: fix dg-require-* order vs dg-additional-sources | 9ad3d1c5814 testsuite: fix dg-require-effective-target order vs dg-additional-sources | d398581485b testsuite: fix 'dg-do-preprocess' typo | 21fc6d35f27 testsuite: fix 'dg-do-compile' typos | 1c85b16f191 testsuite: libgomp: fix dg-do run typo - | ... and 65 more commits in gcc + | ... and 76 more commits in gcc + +Produces 3 fixes: + | + | fixes.sum: + | Running g++:g++.dg/dg.exp ... + | FAIL: g++.dg/cpp2a/consteval-prop21.C -std=c++20 (test for excess errors) + | FAIL: g++.dg/cpp2a/consteval-prop21.C -std=c++26 (test for excess errors) + | FAIL: g++.dg/cpp2a/consteval-prop21.C -std=c++23 (test for excess errors) -PASS: 3 improvements +Used configuration : + *CI config* tcwg_gnu_embed_check_gcc arm-eabi -mthumb -march=armv6s-m -mtune=cortex-m0 -mfloat-abi=soft -mfpu=auto + *configure and test flags:* --target arm-eabi --disable-multilib --with-mode=thumb --with-cpu=cortex-m0 --with-float=soft --target_board=-mthumb/-march=armv6s-m/-mtune=cortex-m0/-mfloat-abi=soft/-mfpu=auto qemu_cpu=cortex-m0 -improvements.sum: - === g++ tests === +If you have any questions regarding this report, please ask on linaro-toolchain@lists.linaro.org mailing list. -Running g++:g++.dg/dg.exp ... -FAIL: g++.dg/cpp2a/consteval-prop21.C -std=c++26 (test for excess errors) -FAIL: g++.dg/cpp2a/consteval-prop21.C -std=c++23 (test for excess errors) -FAIL: g++.dg/cpp2a/consteval-prop21.C -std=c++20 (test for excess errors) +-----------------8<--------------------------8<--------------------------8<-------------------------- +The information below contains the details of the failures, and the ways to reproduce a debug environment: -You can find the failure logs in *.log.1.xz files in - - https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m0_soft_eabi-build/93/artifact/artifacts/00-sumfiles/ +You can find the failure logs in + * https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m0_soft_eabi-build/93/artifact/artifacts/ The full lists of regressions and improvements as well as configure and make commands are in - - https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m0_soft_eabi-build/93/artifact/artifacts/notify/ + * https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m0_soft_eabi-build/93/artifact/artifacts/notify/ The list of [ignored] baseline and flaky failures are in - - https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m0_soft_eabi-build/93/artifact/artifacts/sumfiles/xfails.xfail - -The configuration of this build is: -CI config tcwg_gnu_embed_check_gcc arm-eabi -mthumb -march=armv6s-m -mtune=cortex-m0 -mfloat-abi=soft -mfpu=auto - ------------------8<--------------------------8<--------------------------8<-------------------------- -The information below can be used to reproduce a debug environment: + * https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m0_soft_eabi-build/93/artifact/artifacts/sumfiles/xfails.xfail Current build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m0_soft_eabi-build/93/artifact/artifacts -Reference build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m0_soft_eabi-build/91/artifact/artifacts +Reference build : https://ci.linaro.org/job/tcwg_gnu_embed_check_gcc--master-thumb_m0_soft_eabi-build/87/artifact/artifacts diff --git a/notify/mail-recipients.txt b/notify/mail-recipients.txt index 1a7aa6a3..2fd1f010 100644 --- a/notify/mail-recipients.txt +++ b/notify/mail-recipients.txt @@ -1 +1 @@ -tburnus@baylibre.com,cc:arsen@aarsen.me,fkastl@suse.cz,jakub@gcc.gnu.org,fxue@os.amperecomputing.com,xry111@xry111.site,bcc:tcwg-validation@linaro.org,parras@baylibre.com,arsen@gcc.gnu.org,cc:jakub@redhat.com,polacek@redhat.com,ubizjak@gmail.com,haochen.jiang@intel.com,redi@gcc.gnu.org,cc:gcc-regression@gcc.gnu.org,iant@golang.org,cc:jjsuwa_sys3175@yahoo.co.jp,hubicka@ucw.cz,jlaw@ventanamicro.com,hongyu.wang@intel.com,patrick@rivosinc.com,ktkachov@nvidia.com,avr@gjlay.de,cel@linux.ibm.com,cc:rguenther@suse.de,jcmvbkbc@gmail.com,gccadmin@gcc.gnu.org,cc:gianluca@rivosinc.com,pan2.li@intel.com,cc:claudio.bantaloukas@arm.com,sam@gentoo.org,ewlu@rivosinc.com,hongtao.liu@intel.com,rguenth@gcc.gnu.org,ppalka@redhat.com,richard.sandiford@arm.com,ak@gcc.gnu.org,cc:lennoxhoe@gmail.com,linkw@gcc.gnu.org,cc:linkw@linux.ibm.com,cc:jwakely@redhat.com,cc:jschmitz@nvidia.com,tschwinge@baylibre.com +tburnus@baylibre.com,cc:arsen@aarsen.me,fkastl@suse.cz,jakub@gcc.gnu.org,fxue@os.amperecomputing.com,xry111@xry111.site,bcc:tcwg-validation@linaro.org,parras@baylibre.com,arsen@gcc.gnu.org,cc:jakub@redhat.com,polacek@redhat.com,danglin@gcc.gnu.org,gaiusmod2@gmail.com,ubizjak@gmail.com,haochen.jiang@intel.com,redi@gcc.gnu.org,cc:gcc-regression@gcc.gnu.org,iant@golang.org,jason@redhat.com,cc:jjsuwa_sys3175@yahoo.co.jp,hubicka@ucw.cz,jlaw@ventanamicro.com,hongyu.wang@intel.com,patrick@rivosinc.com,ktkachov@nvidia.com,avr@gjlay.de,cel@linux.ibm.com,cc:rguenther@suse.de,jcmvbkbc@gmail.com,gccadmin@gcc.gnu.org,cc:gianluca@rivosinc.com,pan2.li@intel.com,cc:claudio.bantaloukas@arm.com,sam@gentoo.org,ewlu@rivosinc.com,hongtao.liu@intel.com,rguenth@gcc.gnu.org,ppalka@redhat.com,richard.sandiford@arm.com,ak@gcc.gnu.org,cc:lennoxhoe@gmail.com,linkw@gcc.gnu.org,cc:linkw@linux.ibm.com,cc:jwakely@redhat.com,cc:jschmitz@nvidia.com,tschwinge@baylibre.com diff --git a/notify/mail-subject.txt b/notify/mail-subject.txt index 33c21584..d419f684 100644 --- a/notify/mail-subject.txt +++ b/notify/mail-subject.txt @@ -1 +1 @@ -[Linaro-TCWG-CI] 70 commits in gcc: PASS: 3 improvements on master-thumb_m0_soft_eabi +[Linaro-TCWG-CI] 81 commits in gcc: 3 fixes on master-thumb_m0_soft_eabi diff --git a/notify/regressions.sum b/notify/regressions.sum new file mode 100644 index 00000000..548a72b0 --- /dev/null +++ b/notify/regressions.sum @@ -0,0 +1,6 @@ + + === Results Summary === + +# of stable fails 267 +# of flaky entries 34 +# of all tests 375867 diff --git a/notify/results.compare.txt b/notify/results.compare.txt index db07ae27..f4efc1ff 100644 --- a/notify/results.compare.txt +++ b/notify/results.compare.txt @@ -1,30 +1,30 @@ # Comparing directories # REFERENCE: base-artifacts/sumfiles -# CURRENT: artifacts/sumfiles +# CURRENT: artifacts/99-rewrite/artifacts.old/sumfiles # Comparing 3 common sum files: g++.sum gcc.sum libstdc++.sum Comparing: -REFERENCE:/tmp/gxx-sum1.21313 -CURRENT: /tmp/gxx-sum2.21313 +REFERENCE:/tmp/gxx-sum1.6442 +CURRENT: /tmp/gxx-sum2.6442 +---------+---------+ o RUN STATUS: | REF | RES | +------------------------------------------+---------+---------+ - | Passes [PASS] | 364164 | 364269 | + | Passes [PASS] | 364168 | 364269 | | Unexpected fails [FAIL] | 222 | 219 | | Errors [ERROR] | 0 | 0 | | Unexpected passes [XPASS] | 13 | 13 | | Expected fails [XFAIL] | 2447 | 2447 | | Known fails [KFAIL] | 0 | 0 | | Unresolved [UNRESOLVED] | 36 | 36 | - | Unsupported [UNSUPPORTED] | 8882 | 8883 | + | Unsupported [UNSUPPORTED] | 8880 | 8883 | | Untested [UNTESTED] | 0 | 0 | +------------------------------------------+---------+---------+ - REF PASS ratio: 0.975642 + REF PASS ratio: 0.975647 RES PASS ratio: 0.975654 o REGRESSIONS: @@ -36,12 +36,12 @@ o REGRESSIONS: o IMPROVEMENTS TO BE CHECKED: +------------------------------------------+---------+ - | PASS disappears [PASS => ] | 8 | - | New PASS [ => PASS] | 110 | + | PASS disappears [PASS => ] | 14 | + | New PASS [ => PASS] | 112 | | FAIL now PASS [FAIL => PASS] | 3 | - | UNSUPPORTED appears [ =>UNSUP] | 1 | + | UNSUPPORTED appears [ =>UNSUP] | 3 | +------------------------------------------+---------+ - | TOTAL_IMPROVEMENTS_TO_BE_CHECKED | 122 | + | TOTAL_IMPROVEMENTS_TO_BE_CHECKED | 132 | +------------------------------------------+---------+ - PASS disappears [PASS => ]: @@ -55,6 +55,13 @@ o IMPROVEMENTS TO BE CHECKED: gcc:gcc.c-torture/compile/compile.exp=gcc.c-torture/compile/pr115277.c -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions (test for excess errors) gcc:gcc.c-torture/compile/compile.exp=gcc.c-torture/compile/pr115277.c -O3 -g (test for excess errors) gcc:gcc.c-torture/compile/compile.exp=gcc.c-torture/compile/pr115277.c -Os (test for excess errors) + Executed from: gcc:gcc.target/arm/arm.exp + gcc:gcc.target/arm/arm.exp=gcc.target/arm/stack-protector-7.c (test for excess errors) + gcc:gcc.target/arm/arm.exp=gcc.target/arm/stack-protector-7.c scan-assembler-times 1296 2 + gcc:gcc.target/arm/arm.exp=gcc.target/arm/stack-protector-7.c scan-assembler-times \\tmrc\\t 2 + gcc:gcc.target/arm/arm.exp=gcc.target/arm/stack-protector-7.c scan-assembler-times \\tstr\\t 1 + gcc:gcc.target/arm/arm.exp=gcc.target/arm/stack-protector-8.c (test for excess errors) + gcc:gcc.target/arm/arm.exp=gcc.target/arm/stack-protector-8.c missing error when using TLS stack protector without hardware TLS register at line 4 (test for errors, line ) - New PASS [ => PASS]: @@ -75,6 +82,8 @@ o IMPROVEMENTS TO BE CHECKED: g++:g++.dg/dg.exp=c-c++-common/fam-in-union-alone-in-struct-2.c -std=gnu++17 execution test g++:g++.dg/dg.exp=c-c++-common/fam-in-union-alone-in-struct-2.c -std=gnu++26 execution test g++:g++.dg/dg.exp=c-c++-common/fam-in-union-alone-in-struct-2.c -std=gnu++98 execution test + g++:g++.dg/dg.exp=g++.dg/cpp23/consteval-if13.C -std=c++23 (test for excess errors) + g++:g++.dg/dg.exp=g++.dg/cpp23/consteval-if13.C -std=c++26 (test for excess errors) g++:g++.dg/dg.exp=g++.dg/cpp2a/constexpr-new23.C -std=c++20 (test for excess errors) g++:g++.dg/dg.exp=g++.dg/cpp2a/constexpr-new23.C -std=c++23 (test for excess errors) g++:g++.dg/dg.exp=g++.dg/cpp2a/constexpr-new23.C -std=c++26 (test for excess errors) @@ -189,6 +198,9 @@ o IMPROVEMENTS TO BE CHECKED: - UNSUPPORTED appears [ =>UNSUP]: + Executed from: gcc:gcc.target/arm/arm.exp + gcc:gcc.target/arm/arm.exp=gcc.target/arm/stack-protector-7.c + gcc:gcc.target/arm/arm.exp=gcc.target/arm/stack-protector-8.c Executed from: libstdc++:libstdc++-dg/conformance.exp libstdc++:libstdc++-dg/conformance.exp=27_io/filesystem/operations/hard_link_count.cc -std=gnu++17