[Bug tree-optimization/127116] [17 Regression] ICE: verify_gimple failed during GIMPLE pass: slp (type mismatch in binary expression) with unlimited cost model since r17-3202-g1dec3355162851

Mon, 31 Aug 2026 13:44:35 -0700 

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127116

--- 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:85b975c5795c11cf9cb0db357c4e16f961c7adba

commit r17-3788-g85b975c5795c11cf9cb0db357c4e16f961c7adba
Author: Richard Biener <[email protected]>
Date:   Mon Aug 31 11:21:44 2026 +0200

    tree-optimization/127116 - fix typo with r17-3202-g1dec3355162851

    I cut&pasted the wrong type to one of the calls.  For debugging
    I added missing mask precision dumpings.

            PR tree-optimization/127116
            * tree-vect-patterns.cc (vect_recog_mask_conversion_pattern):
            Pass rhs1_type as scalar type to build_mask_conversion.
            (vect_init_pattern_stmt): Dump mask-precision used for the stmt.
            (append_pattern_def_seq): Likewise.

            * gcc.dg/vect/bb-slp-pr127116.c: New testcase.

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