[Bug tree-optimization/116842] [15 Regression] ICE definition in block follows the use

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116842

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
>Could be the various phiopt improvements landing recently

More likely Tamar's patch to improve handling of ifcvt and conditionals in the
vectorizer.

Full message:
<source>:3:6: error: definition in block 41 follows the use
    3 | void f(bool g, short e[][3][3][3][3], unsigned h[][3][3], char i[][8],
      |      ^
for SSA_NAME: vect__105.20_159 in statement:
mask__106.21_163 = _153 != vect__105.20_159;