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[Bug optimization/13379] [tree-ssa] miscompiles 2.6.0-test11 Linux kernel
- From: "mingo at elte dot hu" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Jan 2004 15:05:47 -0000
- Subject: [Bug optimization/13379] [tree-ssa] miscompiles 2.6.0-test11 Linux kernel
- References: <20031210200045.13379.mingo@elte.hu>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From mingo at elte dot hu 2004-01-30 15:05 -------
Same problem still with the latest snapshot:
gcc version 3.5-tree-ssa 20040130 (Fedora Core Rawhide 3.5ssa-snapshot)
Linus' current tree hangs early during bootup due to miscompilation of
mm/bootmem.c. Adding -fno-tree-dominator-opts to bootmem.o's CFLAGS (and only to
that object) fixes the problem and the kernel boots in all the way and we've got
a working system.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13379