[Bug c++/12850] memory consumption for heavy template instantiations tripled since 3.3

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=12850

--- Comment #50 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
For me (onm x86_64), RA seems high in memory and time at -O0 (this is with
checking=yes but with -fno-checking)
 integrated RA                      :   1.96 ( 13%)   206M ( 23%)