https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84243
--- Comment #2 from James Greenhalgh <jgreenhalgh at gcc dot gnu.org> --- gcc -v: Configured with: .../gcc/configure --disable-bootstrap --enable-languages=c,c++,fortran --disable-multilib --disable-libsanitizer --prefix=.../build/install/ FAIL: gcc.target/i386/cet-intrin-3.c (internal compiler error) FAIL: gcc.target/i386/cet-intrin-3.c (test for excess errors) Excess errors: .../build/gcc/include/pmmintrin.h:35:9: internal compiler error: in ix86_option_override_internal, at config/i386/i386.c:4952 0xfa1687 ix86_option_override_internal .../gcc/config/i386/i386.c:4952 0xfaf246 ix86_valid_target_attribute_tree(tree_node*, gcc_options*, gcc_options*) .../gcc/config/i386/i386.c:5656 0x76b7cb ix86_pragma_target_parse .../gcc/config/i386/i386-c.c:539 0x743cd3 handle_pragma_target .../gcc/c-family/c-pragma.c:907 0x6c2349 c_parser_pragma .../gcc/c/c-parser.c:11122 0x6e600d c_parser_external_declaration .../gcc/c/c-parser.c:1624 0x6e6971 c_parser_translation_unit .../gcc/c/c-parser.c:1524 0x6e6971 c_parse_file() .../gcc/c/c-parser.c:18410 0x7417f5 c_common_parse_file() .../gcc/c-family/c-opts.c:1132 FAIL: gcc.target/i386/cet-intrin-4.c (test for excess errors) Excess errors: cc1: error: '-fcf-protection=full' requires Intel CET support. Use -mcet or both of -mibt and -mshstk options to enable CET