https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102969
Bug ID: 102969
Summary: [12 regression] g++.dg/warn/Wstringop-overflow-4.C
fails after r12-4726
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: other
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
g:9a27acc30a34b7854db32eac562306cebac6fa1e, r12-4726
make -k check-gcc RUNTESTFLAGS="dg.exp=g++.dg/warn/Wstringop-overflow-4.C"
FAIL: g++.dg/warn/Wstringop-overflow-4.C -std=gnu++98 (test for excess errors)
# of expected passes 59
# of unexpected failures 1
spawn -ignore SIGHUP
/home/seurer/gcc/git/build/gcc-test/gcc/testsuite/g++/../../xg++
-B/home/seurer/gcc/git/build/gcc-test/gcc/testsuite/g++/../../
exceptions_enabled844733.cc -fdiagnostics-plain-output -nostdinc++
-I/home/seurer/gcc/git/build/gcc-test/powerpc64le-unknown-linux-gnu/libstdc++-v3/include/powerpc64le-unknown-linux-gnu
-I/home/seurer/gcc/git/build/gcc-test/powerpc64le-unknown-linux-gnu/libstdc++-v3/include
-I/home/seurer/gcc/git/gcc-test/libstdc++-v3/libsupc++
-I/home/seurer/gcc/git/gcc-test/libstdc++-v3/include/backward
-I/home/seurer/gcc/git/gcc-test/libstdc++-v3/testsuite/util -fmessage-length=0
-S -o exceptions_enabled844733.s
FAIL: g++.dg/warn/Wstringop-overflow-4.C -std=gnu++98 (test for excess errors)
Excess errors:
/home/seurer/gcc/git/gcc-test/gcc/testsuite/g++.dg/warn/Wstringop-overflow-4.C:164:3:
warning: 'void* __builtin_memcpy(void*, const void*, long unsigned int)'
writing 3 bytes into a region of size 0 overflows the destination
[-Wstringop-overflow=]
commit 9a27acc30a34b7854db32eac562306cebac6fa1e (HEAD, refs/bisect/bad)
Author: Martin Sebor <mse...@redhat.com>
Date: Tue Oct 26 14:38:11 2021 -0600
Make full use of context-sensitive ranges in access warnings.
