[Bug c/125571] compiling with gcc 380 times slower than clang (19 minutes vs 3 seconds)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125571

Richard Biener <rguenth at gcc dot gnu.org> changed:

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

--- Comment #18 from Richard Biener <rguenth at gcc dot gnu.org> ---
The only option is likely to go for a different PHI insertion algorithm that
does not require iterated dominance frontiers (but by construction is then less
optimal).