[Bug tree-optimization/100778] [11 Regression] Get SIGFPE on simple test with -fpe-trap=invalid and SLP vectorization ON, with gfortran 11.1.0 on x86_64

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100778

--- Comment #15 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Richard Biener
<rgue...@gcc.gnu.org>:

https://gcc.gnu.org/g:f32145c27eec468247353b59ec5f62fcba3ae2c7

commit r11-8722-gf32145c27eec468247353b59ec5f62fcba3ae2c7
Author: Richard Biener <rguent...@suse.de>
Date:   Thu Jul 1 10:35:38 2021 +0200

    tree-optimization/100778 - fix placement of trapping vectorized ops

    This avoids placing possibly trapping vectorized operations where
    the corresponding scalar operation was possibly not executed.

    2021-01-07  Richard Biener  <rguent...@suse.de>

            PR tree-optimization/100778
            * tree-vect-slp.c (vect_schedule_slp_node): Do not place trapping
            vectorized ops ahead of their scalar BB.

            * gcc.dg/torture/pr100778.c: New testcase.

    (cherry picked from commit a3aaba68405751bae3f630669515b7ecdf77efa6)