https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102964
Bug ID: 102964
Summary: [12 regression] libgomp.c/doacross-1.c fails after
r12-
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: testsuite
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
g:88b504b7a8c5affb0ffa97990d22af2b199e36ed, r12-4725
make -k check-target-libgomp RUNTESTFLAGS="c.exp=libgomp.c/doacross-1.c"
FAIL: libgomp.c/doacross-1.c (test for excess errors)
# of expected passes 1
# of unexpected failures 1
spawn -ignore SIGHUP /home/seurer/gcc/git/build/gcc-test/./gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/./gcc/
-B/home/seurer/gcc/git/install/gcc-test/powerpc64le-unknown-linux-gnu/bin/
-B/home/seurer/gcc/git/install/gcc-test/powerpc64le-unknown-linux-gnu/lib/
-isystem
/home/seurer/gcc/git/install/gcc-test/powerpc64le-unknown-linux-gnu/include
-isystem
/home/seurer/gcc/git/install/gcc-test/powerpc64le-unknown-linux-gnu/sys-include
exceptions_enabled3597848.cc
-B/home/seurer/gcc/git/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/
-B/home/seurer/gcc/git/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/.libs
-I/home/seurer/gcc/git/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp
-I/home/seurer/gcc/git/gcc-test/libgomp/testsuite/../../include
-I/home/seurer/gcc/git/gcc-test/libgomp/testsuite/.. -fmessage-length=0
-fno-diagnostics-show-caret -fdiagnostics-color=never -fopenmp -S -o
exceptions_enabled3597848.s
FAIL: libgomp.c/doacross-1.c (test for excess errors)
Excess errors:
/home/seurer/gcc/git/gcc-test/libgomp/testsuite/libgomp.c/doacross-1.c:22:15:
warning: '__atomic_load_4' writing 4 bytes into a region of size 0 overflows
the destination [-Wstringop-overflow=]
commit 88b504b7a8c5affb0ffa97990d22af2b199e36ed (HEAD, refs/bisect/bad)
Author: Martin Sebor <mse...@redhat.com>
Date: Tue Oct 26 14:34:16 2021 -0600
Detect overflow by atomic functions [PR102453].
