http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53092
Bug #: 53092 Summary: ICE using -ftree-loop-if-convert-stores -O3 Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: other AssignedTo: unassig...@gcc.gnu.org ReportedBy: b3timm...@speedymail.org Created attachment 27225 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27225 preprocessed C source I reduced the original file atapi.i slightly, but here is the invocation: gcc -v -B. -r -nostdlib -Wall -ftree-loop-if-convert-stores -O3 atapi.i Using built-in specs. COLLECT_GCC=/usr/local/bin/gcc COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/x86_64-unknown-linux-gnu/4.8.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ../gcc/configure --enable-languages=c,c++ --enable-cloog-backend=isl Thread model: posix gcc version 4.8.0 20120417 (experimental) (GCC) COLLECT_GCC_OPTIONS='-v' '-B' '.' '-r' '-nostdlib' '-Wall' '-ftree-loop-if-convert-stores' '-O3' '-mtune=generic' '-march=x86-64' /usr/local/libexec/gcc/x86_64-unknown-linux-gnu/4.8.0/cc1 -fpreprocessed atapi.i -quiet -dumpbase atapi.i -mtune=generic -march=x86-64 -auxbase atapi -O3 -Wall -version -ftree-loop-if-convert-stores -o /tmp/cc7uZdoI.s GNU C (GCC) version 4.8.0 20120417 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.8.0 20120417 (experimental), GMP version 5.0.4, MPFR version 3.1.0, MPC version 0.9 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 GNU C (GCC) version 4.8.0 20120417 (experimental) (x86_64-unknown-linux-gnu) compiled by GNU C version 4.8.0 20120417 (experimental), GMP version 5.0.4, MPFR version 3.1.0, MPC version 0.9 GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 Compiler executable checksum: 18e514d302ccbc55708943dff7b495a6 In file included from /build/qemu/sysemu.h:9:0, from /build/qemu/hw/ide/internal.h:13, from /build/qemu/hw/ide/atapi.c:26: /build/qemu/hw/ide/internal.h: In function ‘cmd_inquiry’: /build/qemu/hw/ide/internal.h:432:13: internal compiler error: Segmentation fault