https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106126
David Binderman <dcb314 at hotmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |dcb314 at hotmail dot com --- Comment #15 from David Binderman <dcb314 at hotmail dot com> --- Created attachment 53230 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53230&action=edit gzipped C++ source code Please find attached an additional C++ test case. -O3 required this time: $ /home/dcb/gcc/results/bin/g++ -c -O3 q1.ii during GIMPLE pass: iftoswitch ../src/common/uri.cpp: In member function ‘const char* wxURI::ParseUserInfo(const char*)’: ../src/common/uri.cpp:1086:1: internal compiler error: Segmentation fault 0x10ba099 crash_signal(int) ../../trunk.git/gcc/toplev.cc:322 0x134244a gimple_nop_p(gimple const*) ../../trunk.git/gcc/gimple.h:6747 0x134244a verify_use(basic_block_def*, basic_block_def*, ssa_use_operand_t*, gimple*, bool, bitmap_head*) ../../trunk.git/gcc/tree-ssa.cc:880