[Bug tree-optimization/118570] -O2 much faster than -O3 for Romberg's method

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118570

Sam James <sjames at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://github.com/llvm/llv
                   |                            |m-project/issues/123649

--- Comment #1 from Sam James <sjames at gcc dot gnu.org> ---
I've filed https://github.com/llvm/llvm-project/issues/123649 for Clang too
which seems to always have the "-O3" performance (slower).