[Bug tree-optimization/93327] Performance degradation of povray benchmark from gcc 8.3.1 to gcc 9.2.1

[ming.chen1986 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93327

--- Comment #3 from Chen Ming <ming.chen1986 at gmail dot com> ---
Below is the compiler flags I extract from the output of './configure
COMPILED_BY="test"'

Compiler flags:      -pipe -Wno-multichar -Wno-write-strings
-fno-enforce-eh-specs -Wno-non-template-friend -s -O3 -ffast-math -march=native
-pthread