[Bug tree-optimization/95852] Failure to optimize __builtin_mul_overflow pattern

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95852

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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  Attachment #49913|0                           |1
        is obsolete|                            |

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 49919
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49919&action=edit
gcc11-pr95852.patch

Full untested patch (so far only for unsigned __builtin_mul_overflow{,_p}
pattern matching though).  Signed will be handled incrementally.