http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50746
--- Comment #2 from Iain Sandoe <iains at gcc dot gnu.org> 2011-10-16 14:53:13 UTC --- Starting program: /Volumes/ScratchCS/gcc-4-7-trunk-build/gcc/cc1 -fpreprocessed pr37482.i -fPIC -quiet -dumpbase pr37482.c -mmacosx-version-min=10.5.8 -maltivec -m32 -auxbase-strip pr37482.s -O2 -version -ftree-vectorize -fno-vect-cost-model -fdump-tree-vect-details -o pr37482.s Reading symbols for shared libraries +++.. done GNU C (GCC) version 4.7.0 20111015 (experimental) [trunk revision 180048] (powerpc-apple-darwin9) compiled by GNU C version 4.7.0 20111015 (experimental) [trunk revision 180048], GMP version 5.0.2, MPFR version 3.0.1, MPC version 0.9 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 GNU C (GCC) version 4.7.0 20111015 (experimental) [trunk revision 180048] (powerpc-apple-darwin9) compiled by GNU C version 4.7.0 20111015 (experimental) [trunk revision 180048], GMP version 5.0.2, MPFR version 3.0.1, MPC version 0.9 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 Compiler executable checksum: 153db3953d8b0836637534bdb4728fc0 Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_INVALID_ADDRESS at address: 0x42002284 const_rtx_hash_1 (xp=0x4170f504, data=0xbfffe814) at /GCC/gcc-live-trunk/gcc/varasm.c:3384 3384 code = GET_CODE (x); (gdb) bt #0 const_rtx_hash_1 (xp=0x4170f504, data=0xbfffe814) at /GCC/gcc-live-trunk/gcc/varasm.c:3384 #1 0x008664ec in const_rtx_hash_1 (xp=0x4170f504, data=0xbfffe814) at /GCC/gcc-live-trunk/gcc/varasm.c:3376 Previous frame identical to this frame (gdb could not unwind past this frame)