https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79478
Bug ID: 79478 Summary: possible gimple error with gcc.dg/gimplefe-16.c Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: dcb314 at hotmail dot com Target Milestone: --- I just tried out gcc/testsuite/gcc.dg/gimplefe-16.c with a valgrind version of gcc trunk. It said: $ ~/gcc/results.245356/bin/gcc -c -fgimple gcc.dg/gimplefe-16.c ==16161== Conditional jump or move depends on uninitialised value(s) ==16161== at 0x11233E8: can_be_stored_compactly_p (line-map.c:144) ==16161== by 0x11233E8: get_combined_adhoc_loc(line_maps*, unsigned int, sour ce_range, void*) (line-map.c:186) ==16161== by 0xC7323F: COMBINE_LOCATION_DATA (line-map.h:1020) ==16161== by 0xC7323F: set_source_range(tree_node*, source_range) (tree.c:142 98)