[Bug c/107846] [13 Regression] error: result of '8000 << 8' requires 22 bits to represent, but 'short int' only has 16 bits

jakub at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Wed Nov 23 19:20:57 GMT 2022


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107846

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1
                 CC|                            |jakub at gcc dot gnu.org,
                   |                            |sayle at gcc dot gnu.org
           Keywords|needs-bisection             |

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Started with r13-1100-gacb1e6f43dc2bbedd1248ea61c7ab537a11fe59b
So, either we should limit that new match.pd folding to GIMPLE, or
should take into account such narrowing vs. integral promotion.


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