[Bug tree-optimization/119616] Firefox fails to build with PGO (error: cannot tail-call: other reasons)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119616

--- Comment #11 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #10)
> Created attachment 60988 [details]
> non-PGO but no reduced
> 
> Works at -O1 but fails at -O2.

The difference between this and the original preprocessed source is
TcParser::PackedFixed is marked as noinline and ReadSize is marked as
gnu::cold.

Both are needed to get similar behavior as PGO.