https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106120
Hans-Peter Nilsson <hp at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |hp at gcc dot gnu.org
--- Comment #3 from Hans-Peter Nilsson <hp at gcc dot gnu.org> ---
(In reply to seurer from comment #2)
> I am not sure. This only happens for 32 bit runs on power. 64 bit ones
> work fine.
You mean something like -m32 with powerpc64-linux-gnu?
I'll dump my observations for cris-elf (a "32-bit target") hoping it'll help:
At r13-1268-g8c99e307b20c50:
Running TOPLEVEL/gcc/testsuite/g++.dg/dg.exp ...
...
FAIL: g++.dg/warn/Wstringop-overflow-4.C -std=gnu++98 (test for excess errors)
...
At r13-1333-g74956337e827, (long) after r13-1271-g80ace9185dc534
al...@redhat.com "XFAIL a test in g++.dg/warn/Wstringop-overflow-4.C":
Running TOPLEVEL/gcc/testsuite/g++.dg/dg.exp ...
FAIL: g++.dg/warn/Wstringop-overflow-4.C -std=gnu++98 (test for excess errors)
XPASS: g++.dg/warn/Wstringop-overflow-4.C -std=gnu++14 (test for bogus
messages, line 198)
XPASS: g++.dg/warn/Wstringop-overflow-4.C -std=gnu++17 (test for bogus
messages, line 198)
XPASS: g++.dg/warn/Wstringop-overflow-4.C -std=gnu++20 (test for bogus
messages, line 198)
g++.log at that latter commit:
FAIL: g++.dg/warn/Wstringop-overflow-4.C -std=gnu++98 (test for excess errors)
Excess errors:
TOPLEVEL/gcc/testsuite/g++.dg/warn/Wstringop-overflow-4.C:144:3: warning:
'void* __builtin_memcpy(void*, const void*, long unsigned int)' writing 3 bytes
into a region of size 0 [-Wstringop-overflow=]
