http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48441
Summary: [4.7 Regression] ICE in mark_oprs_set Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassig...@gcc.gnu.org ReportedBy: dang...@gcc.gnu.org Host: hppa*-*-* Target: hppa*-*-* Build: hppa*-*-* /home/dave/gnu/gcc/objdir/./prev-gcc/xgcc -B/home/dave/gnu/gcc/objdir/./prev-gcc/ -B/home/dave/opt/gnu/gcc/gcc-4.7.0/hppa-linux/bin/ -B/home/dave/opt/gnu/gcc/gcc-4.7.0/hppa-linux/bin/ -B/home/dave/opt/gnu/gcc/gcc-4.7.0/hppa-linux/lib/ -isystem /home/dave/opt/gnu/gcc/gcc-4.7.0/hppa-linux/include -isystem /home/dave/opt/gnu/gcc/gcc-4.7.0/hppa-linux/sys-include -I../../gcc/libcpp -I. -I../../gcc/libcpp/../include -I../../gcc/libcpp/include -g -O2 -W -Wall -Wwrite-strings -Wmissing-format-attribute -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wc++-compat -pedantic -Wno-long-long -Werror -I../../gcc/libcpp -I. -I../../gcc/libcpp/../include -I../../gcc/libcpp/include -c -o charset.o -MT char set.o -MMD -MP -MF .deps/charset.Tpo ../../gcc/libcpp/charset.c ../../gcc/libcpp/charset.c: In function 'convert_utf16_utf8': ../../gcc/libcpp/charset.c:524:1: internal compiler error: Segmentation fault Program received signal SIGSEGV, Segmentation fault. 0x0343fb28 in mark_oprs_set (insn=0x407a5c30) at ../../gcc/gcc/cprop.c:543 543 for (def_rec = DF_INSN_INFO_DEFS (insn_info); *def_rec; def_rec++) (gdb) bt #0 0x0343fb28 in mark_oprs_set (insn=0x407a5c30) at ../../gcc/gcc/cprop.c:543 #1 0x03443024 in one_cprop_pass () at ../../gcc/gcc/cprop.c:1802 #2 0x03443320 in execute_rtl_cprop () at ../../gcc/gcc/cprop.c:1853 #3 0x013714f0 in execute_one_pass (pass=0x42e7820) at ../../gcc/gcc/passes.c:1555 #4 0x01371870 in execute_pass_list (pass=0x42e7820) at ../../gcc/gcc/passes.c:1610 #5 0x01371898 in execute_pass_list (pass=0x42e7820) at ../../gcc/gcc/passes.c:1611 #6 0x01371898 in execute_pass_list (pass=0x42e7820) at ../../gcc/gcc/passes.c:1611 Backtrace stopped: previous frame identical to this frame (corrupt stack?) dave@hiauly6:~/gnu/gcc/objdir/prev-gcc$ ./xgcc -B./ -v Reading specs from ./specs COLLECT_GCC=./xgcc COLLECT_LTO_WRAPPER=./lto-wrapper Target: hppa-linux Configured with: ../gcc/configure --with-gnu-as --with-gnu-ld --enable-shared --prefix=/home/dave/opt/gnu/gcc/gcc-4.7.0 --with-local-prefix=/home/dave/opt/gnu --enable-threads=posix --enable-__cxa_atexit --build=hppa-linux --enable-clocale=gnu --enable-java-gc=boehm --enable-java-awt=xlib --without-cloog --without-ppl --enable-languages=c,c++,objc,fortran,obj-c++,java,ada Thread model: posix gcc version 4.7.0 20110404 (experimental) [trunk revision 171950] (GCC)