https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78957
Bug ID: 78957 Summary: ICE: SIGSEGV with -fno-sso-struct=web Product: gcc Version: 7.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: driver Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Likely similar to PR78933 Compiler output: $ valgrind x86_64-pc-linux-gnu-gcc /dev/null -o /dev/null -fno-sso-struct=web ==24593== Invalid read of size 8 ==24593== at 0x51972C: pp_format(pretty_printer*, text_info*) (pretty-print.c:317) ==24593== by 0x4DEF55: diagnostic_report_diagnostic(diagnostic_context*, diagnostic_info*) (diagnostic.c:961) ==24593== by 0x4E1B78: diagnostic_impl (diagnostic.c:1084) ==24593== by 0x4E1B78: internal_error(char const*, ...) (diagnostic.c:1395) ==24593== by 0x4DD13B: fancy_abort(char const*, int, char const*) (diagnostic.c:1461) ==24593== by 0x496AD7: decode_cmdline_option (opts-common.c:671) ==24593== by 0x496AD7: decode_cmdline_options_to_array(unsigned int, char const**, unsigned int, cl_decoded_option**, unsigned int*) (opts-common.c:836) ==24593== by 0x4034FF: driver::main(int, char**) (gcc.c:7209) ==24593== by 0x4039BB: main (gcc-main.c:46) ==24593== Address 0x8 is not stack'd, malloc'd or (recently) free'd