[Bug c/54638] [4.8 Regression] bootstraping 4.7.2 with 4.8 broken: cc1: malloc(): memory corruption

[markus at trippelsdorf dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54638



--- Comment #6 from Markus Trippelsdorf <markus at trippelsdorf dot de> 
2012-09-20 14:13:19 UTC ---

(In reply to comment #5)

> That means GCC 4.8 miscompiles stage1 GCC 4.7 with flags -march=native -O2

> (just to be sure - also without -march=native for STAGE1_CFLAGS?)



Yes the following also leads to corruption:

make -j4 BOOT_CFLAGS="-O2 -pipe" STAGE1_CFLAGS="-O2 -pipe"

CFLAGS_FOR_TARGET="-O2 -pipe" CXXFLAGS_FOR_TARGET="-O2 -pipe" bootstrap