[Bug pch/53880] [4.8 Regression] compile time regression when generating precompiled headers for boost

[steven at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53880

--- Comment #6 from Steven Bosscher <steven at gcc dot gnu.org> 2012-07-23 
22:46:19 UTC ---
FWIW this shows up in GCC's own libstdc++ PCHs also.