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[Bug c/54638] [4.8 Regression] bootstraping 4.7.2 with 4.8 broken: cc1: malloc(): memory corruption
- From: "markus at trippelsdorf dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 20 Sep 2012 14:13:19 +0000
- Subject: [Bug c/54638] [4.8 Regression] bootstraping 4.7.2 with 4.8 broken: cc1: malloc(): memory corruption
- Auto-submitted: auto-generated
- References: <bug-54638-4@http.gcc.gnu.org/bugzilla/>
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