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From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/107087] [12 Regression]
 bits/stl_algobase.h:431: warning: 'void* __builtin_memcpy(void*, const void*,
 unsigned int)' reading between 8 and 2147483644 bytes from a region of size 4
 [-Wstringop-overread]
Date: Fri, 31 Mar 2023 23:25:53 +0000
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X-Bugzilla-Type: changed
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X-Bugzilla-Component: tree-optimization
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X-Bugzilla-Keywords: diagnostic, missed-optimization
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107087

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[12/13 Regression]          |[12 Regression]
                   |bits/stl_algobase.h:431:    |bits/stl_algobase.h:431:
                   |warning: 'void*             |warning: 'void*
                   |__builtin_memcpy(void*,     |__builtin_memcpy(void*,
                   |const void*, unsigned int)' |const void*, unsigned int)'
                   |reading between 8 and       |reading between 8 and
                   |2147483644 bytes from a     |2147483644 bytes from a
                   |region of size 4            |region of size 4
                   |[-Wstringop-overread]       |[-Wstringop-overread]

--- Comment #12 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Fixed on trunk=