[Bug tree-optimization/92860] [9/10/11/12 regression] Global flags affected by -O settings are clobbered by optimize attribute

[dcb314 at hotmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92860

--- Comment #81 from David Binderman <dcb314 at hotmail dot com> ---
Created attachment 52118
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52118&action=edit
preprocessed source code

Bug seems to have moved to unwind-dw2.c. Preprocessed source code attached.