[Bug rtl-optimization/80197] pgo dramatically pessimizes scimark2 MonteCarlo benchmark

[amonakov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80197

--- Comment #5 from Alexander Monakov <amonakov at gcc dot gnu.org> ---
On trunk, manually fixing up inlining is not enough: trunk additionally needs
-fno-tracer, otherwise crucial if-conversion of 'if (k < 0) k += m1;' is
prevented.