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[Bug fortran/79929] [7/8 Regression] Bogus Warning: '__builtin_memset': specified size 4294967291 exceeds maximum object size 2147483647
- From: "aivchenk at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 09 May 2017 10:02:15 +0000
- Subject: [Bug fortran/79929] [7/8 Regression] Bogus Warning: '__builtin_memset': specified size 4294967291 exceeds maximum object size 2147483647
- Auto-submitted: auto-generated
- References: <bug-79929-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79929
Alexander Ivchenko <aivchenk at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |aivchenk at gmail dot com
--- Comment #20 from Alexander Ivchenko <aivchenk at gmail dot com> ---
Not sure whether it is connected, but when I bootstrap with:
>../gcc_ref/configure --with-system-zlib --with-demangler-in-ld --with-arch=corei7 --with-cpu=corei7 --with-fpmath=sse --enable-shared --enable-host-shared --enable-clocale=gnu --enable-cloog-backend=isl --enable-languages=c --enable-libmpx=yes --with-build-config=bootstrap-lto
>make
In function ‘rtvec_alloc’,
inlined from ‘copy_rtx_for_iterators’ at
../../gcc_ref/gcc/read-rtl.c:448:32:
../../gcc_ref/gcc/rtl.c:155:10: error: ‘memset’: specified size
18446744073709551608 exceeds maximum object size 9223372036854775807
[-Werror=stringop-overflow=]
memset (&rt->elem[0], 0, n * sizeof (rtx));