[Bug tree-optimization/96722] [8/9 Regression] Clobbers on NULL since r8-1519

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96722
Bug 96722 depends on bug 96717, which changed state.

Bug 96717 Summary: -flifetime-dse=2 breaks webkit-gtk-2.28.4
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96717

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED