https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97879
G. Steinmetz <gs...@t-online.de> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |ice-on-invalid-code --- Comment #1 from G. Steinmetz <gs...@t-online.de> --- These cases are related, but originate in r10 (20191124) : $ cat z4.c __attribute__ ((__access__(1))) void f (); $ cat z5.c __attribute__ ((access(1, 2))) void f (); $ cat z6.c __attribute__ ((access(2., 3.))) void f (); $ gcc-11-20201115 -c z4.c z4.c:1:1: internal compiler error: Segmentation fault 1 | __attribute__ ((__access__(1))) void f (); | ^~~~~~~~~~~~~ 0xb3b52f crash_signal ../../gcc/toplev.c:330 0x6f7ade handle_access_attribute ../../gcc/c-family/c-attribs.c:4369 0x6299f1 decl_attributes(tree_node**, tree_node*, int, tree_node*) ../../gcc/attribs.c:724 0x641252 start_decl(c_declarator*, c_declspecs*, bool, tree_node*, unsigned int*) ../../gcc/c/c-decl.c:5188 0x688366 c_parser_declaration_or_fndef ../../gcc/c/c-parser.c:2306 0x690297 c_parser_external_declaration ../../gcc/c/c-parser.c:1777 0x690db9 c_parser_translation_unit ../../gcc/c/c-parser.c:1650 0x690db9 c_parse_file() ../../gcc/c/c-parser.c:21882 0x6dfb82 c_common_parse_file() ../../gcc/c-family/c-opts.c:1196