[Bug tree-optimization/62006] Bad code generation with -O3 (possibly due to -ftree-partial-pre)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62006

--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Smells like a duplicate of PR49330 - still always returning 1 from
base_alias_check doesn't fix the original testcase.

Which also fails with -O -ftree-pre -ftree-partial-pre -fstrict-aliasing btw.