[Bug tree-optimization/98191] [11 Regression] ICE tree check: expected ssa_name, have vector_cst in has_single_use, at ssa-iterators.h:400 since r11-5821-gebdfd1606da6b5aa

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98191

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rgue...@gcc.gnu.org>:

https://gcc.gnu.org/g:c2c198bfd1e747b761c6b9b13417685bd4378d57

commit r11-5841-gc2c198bfd1e747b761c6b9b13417685bd4378d57
Author: Richard Biener <rguent...@suse.de>
Date:   Tue Dec 8 09:56:53 2020 +0100

    tree-optimization/98191 - fix BIT_INSERT_EXPR sequence vectorization

    This adds a missing check.

    2020-12-08  Richard Biener  <rguent...@suse.de>

            PR tree-optimization/98191
            * tree-vect-slp.c (vect_slp_check_for_constructors): Do not
            follow a non-SSA def chain.

            * gcc.dg/torture/pr98191.c: New testcase.