[Bug ipa/128592] can_inline_edge_p checks flag_wrapv and flag_trapv but omits flag_wrapv_pointer, inlining wrapv-pointer always_inline callees into -fno-wrapv-pointer callers and folding away pointer-wrap checks

Tue, 10 Nov 2026 04:02:03 -0800 

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=128592

--- Comment #3 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <[email protected]>:

https://gcc.gnu.org/g:c0b52c7383e311d970984ae66941d6267de3199d

commit r17-6108-gc0b52c7383e311d970984ae66941d6267de3199d
Author: Richard Biener <[email protected]>
Date:   Tue Nov 10 09:34:26 2026 +0100

    ipa/128592 - check matching -fwrapv-pointer during inlining

    The following adds a missed check on matching flag_wrapv_pointer.

            PR ipa/128592
            * ipa-inline.cc (can_inline_edge_by_limits_p): Check
            flag_wrapv_pointer matches.

            * gcc.dg/lto/pr128592_0.c: New testcase.
            * gcc.dg/lto/pr128592_1.c: Likewise.

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