http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52515
Bug #: 52515 Summary: [4.8 Regression]: build fails on cris-elf in unwind-dw2.c Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Keywords: build, ice-on-valid-code Severity: normal Priority: P3 Component: regression AssignedTo: unassig...@gcc.gnu.org ReportedBy: h...@gcc.gnu.org CC: rsand...@gcc.gnu.org Host: x86_64-unknown-linux-gnu Target: cris-axis-elf Created attachment 26844 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26844 repeat with e.g. cc1 -fpreprocessed unwind-dw2.i -O2 -o unwind-dw2.s A patch in the revision range (last_known_working:first_known_failing) 184997:185014 caused the build for cris-elf to fail as follows: /tmp/hpautotest-gcc1/cris-elf/gccobj/./gcc/xgcc -B/tmp/hpautotest-gcc1/cris-elf/gccobj/./gcc/ -nostdinc -B/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/newlib/ -isystem /tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/newlib/targ-include -isystem /tmp/hpautotest-gcc1/gcc/newlib/libc/include -B/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/libgloss/cris -L/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/libgloss/libnosys -L/tmp/hpautotest-gcc1/gcc/libgloss/cris -B/tmp/hpautotest-gcc1/cris-elf/pre/cris-elf/bin/ -B/tmp/hpautotest-gcc1/cris-elf/pre/cris-elf/lib/ -isystem /tmp/hpautotest-gcc1/cris-elf/pre/cris-elf/include -isystem /tmp/hpautotest-gcc1/cris-elf/pre/cris-elf/sys-include -g -O2 -march=v10 -mbest-lib-options -O2 -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -Dinhibit_libc -I. -I. -I../../.././gcc -I/tmp/hpautotest-gcc1/gcc/libgcc -I/tmp/hpautotest-gcc1/gcc/libgcc/. -I/tmp/hpautotest-gcc1/gcc/libgcc/../gcc -I/tmp/hpautotest-gcc1/gcc/libgcc/../include -DHAVE_CC_TLS -DUSE_EMUTLS -o unwind-dw2.o -MT unwind-dw2.o -MD -MP -MF unwind-dw2.dep -fexceptions -c /tmp/hpautotest-gcc1/gcc/libgcc/unwind-dw2.c In file included from /tmp/hpautotest-gcc1/gcc/libgcc/unwind-dw2.c:36:0: /tmp/hpautotest-gcc1/gcc/libgcc/unwind-pe.h: In function 'read_sleb128': /tmp/hpautotest-gcc1/gcc/libgcc/unwind-pe.h:174:1: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. make[4]: *** [unwind-dw2.o] Error 1 make[4]: Leaving directory `/tmp/hpautotest-gcc1/cris-elf/gccobj/cris-elf/v10/libgcc' Preprocessed unwind-dw2.c attached. Author of one or more suspect patches in revision range CC:ed.