Regressions on master at commit r16-1348 vs commit r16-1347 on Linux/x86_64

2025-06-09 Thread Haochen Jiang via Gcc-regression
Regressions on master at commit r16-1348 vs commit r16-1347 on Linux/x86_64
New failures:
FAIL: 30_threads/async/async.cc  -std=gnu++17 execution test

New passes:


Regressions on master at commit r16-1350 vs commit r16-1348 on Linux/x86_64

2025-06-09 Thread Haochen Jiang via Gcc-regression
Regressions on master at commit r16-1350 vs commit r16-1348 on Linux/x86_64
New failures:

New passes:
FAIL: 30_threads/async/async.cc  -std=gnu++17 execution test


Regressions on master at commit r16-1346 vs commit r16-1344 on Linux/x86_64

2025-06-09 Thread Haochen Jiang via Gcc-regression
Regressions on master at commit r16-1346 vs commit r16-1344 on Linux/x86_64
New failures:

New passes:
FAIL: gcc.dg/lto/save-temps c_lto_save-temps_0.o-c_lto_save-temps_0.o link,  -O 
-flto -save-temps


Regressions on master at commit r16-1344 vs commit r16-1341 on Linux/x86_64

2025-06-09 Thread Haochen Jiang via Gcc-regression
Regressions on master at commit r16-1344 vs commit r16-1341 on Linux/x86_64
New failures:
FAIL: gcc.dg/lto/save-temps c_lto_save-temps_0.o-c_lto_save-temps_0.o link,  -O 
-flto -save-temps

New passes:


[r16-1247 Regression] FAIL: g++.dg/modules/xtreme-header-8.C -std=c++26 (test for excess errors) on Linux/x86_64

2025-06-09 Thread haochen.jiang via Gcc-regression
On Linux/x86_64,

bdae7824cd9a9d27665bf1b82f60a761a9745a6a is the first bad commit
commit bdae7824cd9a9d27665bf1b82f60a761a9745a6a
Author: Jonathan Wakely 
Date:   Wed Jun 4 15:53:20 2025 +0100

libstdc++: Optimize std::counting_semaphore for futex path

caused

FAIL: g++.dg/modules/xtreme-header-8.C module-cmi xstd (gcm.cache/xstd.gcm)
FAIL: g++.dg/modules/xtreme-header-8.C -std=c++26 (test for excess errors)

with GCC configured with

../../gcc/configure 
--prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r16-1247/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}/gcc && make check 
RUNTESTFLAGS="modules.exp=g++.dg/modules/xtreme-header-8.C 
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check 
RUNTESTFLAGS="modules.exp=g++.dg/modules/xtreme-header-8.C 
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check 
RUNTESTFLAGS="modules.exp=g++.dg/modules/xtreme-header-8.C 
--target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check 
RUNTESTFLAGS="modules.exp=g++.dg/modules/xtreme-header-8.C 
--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.)


[r16-1067 Regression] FAIL: gcc.dg/tree-ssa/cswtch-6.c scan-assembler .rodata.cst16 on Linux/x86_64

2025-06-09 Thread haochen.jiang via Gcc-regression
On Linux/x86_64,

aa935ce40a777eb0b4a4d3d2e03cf2efb4cf9619 is the first bad commit
commit aa935ce40a777eb0b4a4d3d2e03cf2efb4cf9619
Author: Andrew Pinski 
Date:   Mon Jun 2 15:56:20 2025 -0700

switch-conversion: Mark CSWTCH as mergeable [PR120451]

caused

FAIL: gcc.dg/tree-ssa/cswtch-6.c scan-assembler .rodata.cst16

with GCC configured with

../../gcc/configure 
--prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r16-1067/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}/gcc && make check 
RUNTESTFLAGS="tree-ssa.exp=gcc.dg/tree-ssa/cswtch-6.c 
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check 
RUNTESTFLAGS="tree-ssa.exp=gcc.dg/tree-ssa/cswtch-6.c 
--target_board='unix{-m32\ -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.)