https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82933
Bug ID: 82933 Summary: valgrind error in set_cur_line_info_table with -g Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: dcb314 at hotmail dot com Target Milestone: --- For a valgrind version of recent gcc trunk, run over the testsuite: $ /home/dcb/gcc/results.254440.valgrind/bin/gcc -c -g ./gcc.dg/rtl/x86_64/into-cfglayout.c ==7666== Invalid write of size 1 ==7666== at 0x767B0E: set_cur_line_info_table(section*) (dwarf2out.c:26501) ==7666== by 0xDE7942: assemble_start_function(tree_node*, char const*) (varasm.c:1821) ==7666== by 0x803407: rest_of_handle_final (final.c:4475) ==7666== by 0x803407: (anonymous namespace)::pass_final::execute(function*) (final.c:4551) The line of code in question is table->end_label = cold_end_label; svn blame says 171816 rth table->end_label = cold_end_label;