https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83694
Bug ID: 83694 Summary: New test case gcc.dg/pr83666.c from r256232 ICEs on powerpc64 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: other Assignee: unassigned at gcc dot gnu.org Reporter: seurer at gcc dot gnu.org Target Milestone: --- This happens on both BE and LE. Don't think it's been reported yet elsewhere. spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test2/gcc/xgcc -B/home/seurer/gcc/build/gcc-test2/gcc/ /home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr83666.c -fno-diagnostics-show-caret -fdiagnostics-color=never -O2 -g --param=sccvn-max-scc-size=10 -Wno-psabi -S -o pr83666.s during RTL pass: expand /home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr83666.c: In function 'foo': /home/seurer/gcc/gcc-test2/gcc/testsuite/gcc.dg/pr83666.c:25:1: internal compiler error: in smallest_mode_for_size, at stor-layout.c:355 0x1099eb0b smallest_mode_for_size(poly_int<1u, unsigned long>, mode_class) /home/seurer/gcc/gcc-test2/gcc/stor-layout.c:355 0x103b5b3f smallest_int_mode_for_size(poly_int<1u, unsigned long>) /home/seurer/gcc/gcc-test2/gcc/machmode.h:842 0x103b5b3f expand_debug_expr /home/seurer/gcc/gcc-test2/gcc/cfgexpand.c:4538 0x103c27d3 expand_debug_locations /home/seurer/gcc/gcc-test2/gcc/cfgexpand.c:5371 0x103c27d3 execute /home/seurer/gcc/gcc-test2/gcc/cfgexpand.c:6415