On Linux/x86_64,
4e0964279b73d3af5b085f731c87c200b7564db4 is the first bad commit
commit 4e0964279b73d3af5b085f731c87c200b7564db4
Author: Alfie Richards <[email protected]>
Date: Wed May 20 14:50:25 2026 +0000
vect: Introduce LOOP_VINFO_IV_INCREMENT
caused
FAIL: libgomp.oacc-fortran/optional-update-device.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (internal compiler error:
Segmentation fault)
FAIL: libgomp.oacc-fortran/optional-update-device.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (test for excess errors)
FAIL: libgomp.oacc-fortran/optional-update-device.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g (internal compiler error:
Segmentation fault)
FAIL: libgomp.oacc-fortran/optional-update-device.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g (test for excess errors)
FAIL: libgomp.oacc-fortran/optional-update-host.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (internal compiler error:
Segmentation fault)
FAIL: libgomp.oacc-fortran/optional-update-host.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (test for excess errors)
FAIL: libgomp.oacc-fortran/optional-update-host.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g (internal compiler error:
Segmentation fault)
FAIL: libgomp.oacc-fortran/optional-update-host.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g (test for excess errors)
FAIL: libgomp.oacc-fortran/parallel-loop-1.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (internal compiler error:
Segmentation fault)
FAIL: libgomp.oacc-fortran/parallel-loop-1.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (test for excess errors)
FAIL: libgomp.oacc-fortran/parallel-loop-1.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g (internal compiler error:
Segmentation fault)
FAIL: libgomp.oacc-fortran/parallel-loop-1.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g (test for excess errors)
FAIL: libgomp.oacc-fortran/privatized-ref-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions at line 108 (test for warnings, line
105)
FAIL: libgomp.oacc-fortran/privatized-ref-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions at line 150 (test for warnings, line
147)
FAIL: libgomp.oacc-fortran/privatized-ref-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions at line 53 (test for warnings, line
50)
FAIL: libgomp.oacc-fortran/privatized-ref-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions at line 84 (test for warnings, line
81)
FAIL: libgomp.oacc-fortran/privatized-ref-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (internal compiler error:
Segmentation fault)
FAIL: libgomp.oacc-fortran/privatized-ref-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (test for excess errors)
FAIL: libgomp.oacc-fortran/privatized-ref-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g at line 108 (test for warnings,
line 105)
FAIL: libgomp.oacc-fortran/privatized-ref-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g at line 150 (test for warnings,
line 147)
FAIL: libgomp.oacc-fortran/privatized-ref-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g at line 53 (test for warnings,
line 50)
FAIL: libgomp.oacc-fortran/privatized-ref-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g at line 84 (test for warnings,
line 81)
FAIL: libgomp.oacc-fortran/privatized-ref-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g (internal compiler error:
Segmentation fault)
FAIL: libgomp.oacc-fortran/privatized-ref-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g (test for excess errors)
FAIL: libgomp.oacc-fortran/subarrays-1.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (internal compiler error:
Segmentation fault)
FAIL: libgomp.oacc-fortran/subarrays-1.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (test for excess errors)
FAIL: libgomp.oacc-fortran/subarrays-1.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g (internal compiler error:
Segmentation fault)
FAIL: libgomp.oacc-fortran/subarrays-1.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g (test for excess errors)
FAIL: libgomp.oacc-fortran/subarrays-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (internal compiler error:
Segmentation fault)
FAIL: libgomp.oacc-fortran/subarrays-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (test for excess errors)
FAIL: libgomp.oacc-fortran/subarrays-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g (internal compiler error:
Segmentation fault)
FAIL: libgomp.oacc-fortran/subarrays-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g (test for excess errors)
FAIL: libgomp.oacc-fortran/update-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (internal compiler error:
Segmentation fault)
FAIL: libgomp.oacc-fortran/update-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (test for excess errors)
FAIL: libgomp.oacc-fortran/update-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g (internal compiler error:
Segmentation fault)
FAIL: libgomp.oacc-fortran/update-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g (test for excess errors)
FAIL: libgomp.oacc-fortran/update-dt-array.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (internal compiler error:
Segmentation fault)
FAIL: libgomp.oacc-fortran/update-dt-array.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions (test for excess errors)
FAIL: libgomp.oacc-fortran/update-dt-array.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g (internal compiler error:
Segmentation fault)
FAIL: libgomp.oacc-fortran/update-dt-array.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g (test for excess errors)
with GCC configured with
../../gcc/configure
--prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r17-2050/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/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/optional-update-device.f90
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/optional-update-device.f90
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/optional-update-host.f90
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/optional-update-host.f90
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/parallel-loop-1.f90
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/parallel-loop-1.f90
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/privatized-ref-2.f90
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/privatized-ref-2.f90
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/subarrays-1.f90
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/subarrays-1.f90
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/subarrays-2.f90
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/subarrays-2.f90
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/update-2.f90
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/update-2.f90
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/update-dt-array.f90
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/update-dt-array.f90
--target_board='unix{-m64\ -march=cascadelake}'"
(Please directly reply to this email for question about this report.)
(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.)
