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From: "ro at CeBiTec dot Uni-Bielefeld.DE" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/113706] c-c++-common/pr103798-2.c FAILs as
 C++
Date: Fri, 02 Feb 2024 09:19:28 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113706

--- Comment #4 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot U=
ni-Bielefeld.DE> ---
> --- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
> On Solaris, when compiling this
>
> #include <string.h>
>
> __attribute__ ((weak))
> int
> f (int a)
> {
>    return memchr ("aE", a, 2) !=3D NULL;
> }
>
> as C++ source, std::memchr is used and GCC doesn't treat std::memchr as
> BUILT_IN_MEMCHR.

I see.  I'm testing a patch to directly define/declare NULL, size_t and
memchr instead of including <string.h>.  This should still test what the
testcase is supposed to test, I believe.=