http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49530
Summary: Segmentation fault with -mint8 Product: gcc Version: 4.6.1 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target AssignedTo: unassig...@gcc.gnu.org ReportedBy: g...@gcc.gnu.org Target: avr Turning on -mint8 for avr-gcc runs into segmentation fault. I see it in 4.6.1-RC1 and 4.5.2. ========================== Source (empty file will do also): char x; ========================== Command line: avr-gcc -S -v -mint8 foo.c ========================== Output: e:/WinAVR/4.6.1/bin/avr-gcc -Os -v -mint8 -S foo.c Using built-in specs. COLLECT_GCC=e:\WinAVR\4.6.1\bin\avr-gcc.exe COLLECT_LTO_WRAPPER=e:/winavr/4.6.1/bin/../libexec/gcc/avr/4.6.1/lto-wrapper.exe Target: avr Configured with: ../../gcc.gnu.org/gcc-4_6-branch/configure --target=avr --prefix=/local/gnu/install/gcc-4.6-mingw32 --host=i586-mingw32 --build=i686-linux-gnu --enable-languages=c,c++ --disable-nls --disable-shared --with-dwarf2 Thread model: single gcc version 4.6.1 20110620 (prerelease) (GCC) COLLECT_GCC_OPTIONS='-Os' '-v' '-mint8' '-S' e:/winavr/4.6.1/bin/../libexec/gcc/avr/4.6.1/cc1.exe -quiet -v -iprefix e:\winavr\4.6.1\bin\../lib/gcc/avr/4.6.1/ foo.c -quiet -dumpbase foo.c -mint8 -auxbase foo -Os -version -o foo.s GNU C (GCC) version 4.6.1 20110620 (prerelease) (avr) compiled by GNU C version 3.3.1 (mingw special 20030804-1), GMP version 4.3.2, MPFR version 2.4.2, MPC version 0.8.2 GGC heuristics: --param ggc-min-expand=47 --param ggc-min-heapsize=32702 ignoring nonexistent directory "e:\winavr\4.6.1\bin\../lib/gcc/avr/4.6.1/../../../../avr/sys-include" ignoring duplicate directory "e:/winavr/4.6.1/lib/gcc/../../lib/gcc/avr/4.6.1/include" ignoring duplicate directory "e:/winavr/4.6.1/lib/gcc/../../lib/gcc/avr/4.6.1/include-fixed" ignoring nonexistent directory "e:/winavr/4.6.1/lib/gcc/../../lib/gcc/avr/4.6.1/../../../../avr/sys-include" ignoring duplicate directory "e:/winavr/4.6.1/lib/gcc/../../lib/gcc/avr/4.6.1/../../../../avr/include" #include "..." search starts here: #include <...> search starts here: e:\winavr\4.6.1\bin\../lib/gcc/avr/4.6.1/include e:\winavr\4.6.1\bin\../lib/gcc/avr/4.6.1/include-fixed e:\winavr\4.6.1\bin\../lib/gcc/avr/4.6.1/../../../../avr/include End of search list. GNU C (GCC) version 4.6.1 20110620 (prerelease) (avr) compiled by GNU C version 3.3.1 (mingw special 20030804-1), GMP version 4.3.2, MPFR version 2.4.2, MPC version 0.8.2 GGC heuristics: --param ggc-min-expand=47 --param ggc-min-heapsize=32702 <built-in>:0:0: 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.