http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56732
Bug #: 56732 Summary: ICE Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassig...@gcc.gnu.org ReportedBy: diffg...@gmail.com Created attachment 29723 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29723 Preprocessed source code I was trying to compile Ndless with GCC 4.8.0 (configured to cross-compile to arm-none-eabi), and it fails on this file. This compiled in GCC 4.7.2. It seems that it compiles only if I remove the optimization flag or change it to -O1, but not with -O2, -O3, or -Os. The command line used to compile it is: "/usr/local/bin/arm-none-eabi-gcc" -mcpu=arm7tdmi -I "/home/rajiv/.ndless/include" -I "/home/rajiv/ndless/ndless/Ndless-SDK/ndless/bin/../include" -I "/home/rajiv/ndless/ndless/Ndless-SDK/ndless/bin/../3rd/nSDL/include" -I "/home/rajiv/ndless/ndless/Ndless-SDK/ndless/bin/../3rd/nspireio/include" -fpic -fno-builtin -D _TINSPIRE -Os -nostdlib -Wall -W -Wno-strict-aliasing -c ploaderhook.c The error occurs at function plh_hook: ploaderhook.c: In function ‘plh_hook’: ploaderhook.c:156:1: internal compiler error: in advance_target_bb, at sched-rgn.c:3552 HOOK_DEFINE(plh_hook) { ^ 0x78f082 advance_target_bb ../../gcc-4.8.0/gcc/sched-rgn.c:3551 0x78f082 advance_target_bb ../../gcc-4.8.0/gcc/sched-rgn.c:3546 0xb35ec2 commit_schedule ../../gcc-4.8.0/gcc/haifa-sched.c:5619 0xb40292 schedule_block(basic_block_def**, void*) ../../gcc-4.8.0/gcc/haifa-sched.c:6416 0x7946aa schedule_region ../../gcc-4.8.0/gcc/sched-rgn.c:3048 0x7946aa schedule_insns ../../gcc-4.8.0/gcc/sched-rgn.c:3384 0x7946aa schedule_insns() ../../gcc-4.8.0/gcc/sched-rgn.c:3363 0x794a1c rest_of_handle_sched2 ../../gcc-4.8.0/gcc/sched-rgn.c:3608 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <http://gcc.gnu.org/bugs.html> for instructions. Operating System: Ubuntu 12.10 x86_64 Output of arm-none-eabi-gcc -v: Using built-in specs. COLLECT_GCC=arm-none-eabi-gcc COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/arm-none-eabi/4.8.0/lto-wrapper Target: arm-none-eabi Configured with: ../gcc-4.8.0/configure --target=arm-none-eabi --prefix=/usr/local --enable-interwork --enable-multilib --enable-languages=c,c++ --with-system-zlib --with-newlib --disable-shared --with-gnu-as --with-gnu-ld --with-float=soft --disable-werror Thread model: single gcc version 4.8.0 (GCC) I have attached the preprocessed source code. -Rajiv