I'm getting the ICE below when trying to compile the file fs/asfs/extents.c Linux kernel 2.6.13-rc5-mm1 with a current CVS HEAD gcc.
As soon as I remove _one_ of the three options "-O1 -ftree-vrp -fdelete-null-pointer-checks" the problem disappears. <-- snip --> ... $ /TMP/test/gcc/install/bin/gcc -m32 -Wp,-MD,fs/asfs/.extents.o.d -nostdinc -isystem /TMP/test/gcc/install/lib/gcc/i686-pc-linux-gnu/4.1.0/include -D__KERNEL__ -Iinclude -Iinclude/asm-i386/mach-default -DKBUILD_BASENAME=extents -DKBUILD_MODNAME=asfs -c -o fs/asfs/extents.o fs/asfs/extents.c -O1 -ftree-vrp -fdelete-null-pointer-checks fs/asfs/extents.c: In function 'asfs_deletebnode': fs/asfs/extents.c:325: internal compiler error: in compare_name_with_value, at tree-vrp.c:2963 Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. $ <-- snip --> -- Summary: [4.1 Regression] ICE with -O1 -ftree-vrp -fdelete-null- pointer-checks Product: gcc Version: 4.1.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: bunk at stusta dot de CC: gcc-bugs at gcc dot gnu dot org GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23445
