Re: [r14-6468 Regression] FAIL: std/time/year/io.cc -std=gnu++26 execution test on Linux/x86_64

[Jonathan Wakely]

On Wed, 13 Dec 2023 at 10:51, haochen.jiang
 wrote:
>
> On Linux/x86_64,
>
> a01462ae8bafa86e7df47a252917ba6899d587cf is the first bad commit
> commit a01462ae8bafa86e7df47a252917ba6899d587cf
> Author: Jonathan Wakely 
> Date:   Mon Dec 11 15:33:59 2023 +
>
> libstdc++: Fix std::format output of %C for negative years
>
> caused
>
> FAIL: std/time/year/io.cc  -std=gnu++20 execution test
> FAIL: std/time/year/io.cc  -std=gnu++26 execution test
>
> with GCC configured with
>
> ../../gcc/configure 
> --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-6468/usr 
> --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld 
> --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl 
> --enable-libmpx x86_64-linux --disable-bootstrap
>
> To reproduce:
>
> $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check 
> RUNTESTFLAGS="conformance.exp=std/time/year/io.cc --target_board='unix{-m32}'"
> $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check 
> RUNTESTFLAGS="conformance.exp=std/time/year/io.cc --target_board='unix{-m32\ 
> -march=cascadelake}'"
> $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check 
> RUNTESTFLAGS="conformance.exp=std/time/year/io.cc --target_board='unix{-m64}'"
> $ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check 
> RUNTESTFLAGS="conformance.exp=std/time/year/io.cc --target_board='unix{-m64\ 
> -march=cascadelake}'"
>
> (Please do not reply to this email, for question about this report, contact 
> me at haochen dot jiang at intel.com.)
> (If you met problems with cascadelake related, disabling AVX512F in command 
> line might save that.)
> (However, please make sure that there is no potential problems with AVX512.)

Thanks, fixed at r14-6493-gad537ccd525fd3

[r14-6468 Regression] FAIL: std/time/year/io.cc -std=gnu++26 execution test on Linux/x86_64

[haochen.jiang]

On Linux/x86_64,

a01462ae8bafa86e7df47a252917ba6899d587cf is the first bad commit
commit a01462ae8bafa86e7df47a252917ba6899d587cf
Author: Jonathan Wakely 
Date:   Mon Dec 11 15:33:59 2023 +

libstdc++: Fix std::format output of %C for negative years

caused

FAIL: std/time/year/io.cc  -std=gnu++20 execution test
FAIL: std/time/year/io.cc  -std=gnu++26 execution test

with GCC configured with

../../gcc/configure 
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-6468/usr 
--enable-clocale=gnu --with-system-zlib --with-demangler-in-ld 
--with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl 
--enable-libmpx x86_64-linux --disable-bootstrap

To reproduce:

$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check 
RUNTESTFLAGS="conformance.exp=std/time/year/io.cc --target_board='unix{-m32}'"
$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check 
RUNTESTFLAGS="conformance.exp=std/time/year/io.cc --target_board='unix{-m32\ 
-march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check 
RUNTESTFLAGS="conformance.exp=std/time/year/io.cc --target_board='unix{-m64}'"
$ cd {build_dir}/x86_64-linux/libstdc++-v3/testsuite && make check 
RUNTESTFLAGS="conformance.exp=std/time/year/io.cc --target_board='unix{-m64\ 
-march=cascadelake}'"

(Please do not reply to this email, for question about this report, contact me 
at haochen dot jiang at intel.com.)
(If you met problems with cascadelake related, disabling AVX512F in command 
line might save that.)
(However, please make sure that there is no potential problems with AVX512.)