[Bug tree-optimization/122610] Load after store incorrectly deleted with -O2 -fno-strict-aliasing while ipa-modref active

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122610

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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   Target Milestone|---                         |15.3

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
So RSTRING_PTR is being marked as const and that is causing issues.

Note you don't need -march=amdfam10, just mark RSTRING_PTR as noinline to see
the same issue.

   # PT = nonlocal null 
  _2 = RSTRING_PTRD.2912 (str_11(D));