[Bug rtl-optimization/104054] [9/10/11/12 Regression] '-fcompare-debug' failure (length) w/ -Os -funroll-loops since r8-3946-gfe94440235cfaa57

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104054

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jakub at gcc dot gnu.org

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
The toplevel comment in the pass says:
  DEBUG_INSNs are treated specially, in particular registers occurring inside
  them are treated as requiring ALL_REGS as a class.