https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67597
--- Comment #2 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- Can be reproduced with: % CC="/home/trippels/gcc_test/usr/local/bin/gcc -fprofile-generate" CXX="/home/trippels/gcc_test/usr/local/bin/g++ -fprofile-generate" ../gcc/configure --with-cpu=power8 --disable-libsanitizer -disable-bootstrap --disable-libstdcxx-pch --disable-libvtv --disable-libcilkrts --disable-libssp --disable-libgomp --disable-werror --disable-multilib --enable-languages=c,c++ % make ../../../gcc/libgcc/unwind.inc:136:1: internal compiler error: in dwarf2out_frame_debug_expr, at dwarf2cfi.c:1901 } ^ 0x1065ace7 dwarf2out_frame_debug_expr ../../gcc/gcc/dwarf2cfi.c:1901 0x1065a653 dwarf2out_frame_debug_expr ../../gcc/gcc/dwarf2cfi.c:1555 0x1065caab dwarf2out_frame_debug ../../gcc/gcc/dwarf2cfi.c:2102 0x1065caab scan_insn_after ../../gcc/gcc/dwarf2cfi.c:2428 0x1065d9d3 scan_trace ../../gcc/gcc/dwarf2cfi.c:2585 0x1065eceb create_cfi_notes ../../gcc/gcc/dwarf2cfi.c:2629 0x1065eceb execute_dwarf2_frame ../../gcc/gcc/dwarf2cfi.c:2987 0x1065eceb execute ../../gcc/gcc/dwarf2cfi.c:3467 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. ../../../gcc/libgcc/shared-object.mk:17: recipe for target 'unwind-dw2_s.o' failed