http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58581
Bug ID: 58581 Summary: [4.7/4.8/4.9 Regression] [c++11] ICE with no-throw specification in deleted function Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: reichelt at gcc dot gnu.org The following invalid code snippet (compiled with "std=c++0x") triggers an ICE since GCC 4.7.0: =========================================================== template<typename T> int foo(T) noexcept(T()) = delete; int i = foo(0); =========================================================== bug.cc:3:14: error: use of deleted function 'int foo(T) [with T = int]' int i = foo(0); ^ bug.cc:1:26: note: declared here template<typename T> int foo(T) noexcept(T()) = delete; ^ bug.cc:3:14: internal compiler error: in nothrow_spec_p, at cp/except.c:1265 int i = foo(0); ^ 0x68b5fa nothrow_spec_p(tree_node const*) ../../gcc/gcc/cp/except.c:1265 0x534afb set_flags_from_callee(tree_node*) ../../gcc/gcc/cp/call.c:327 0x534c79 build_call_a(tree_node*, int, tree_node**) ../../gcc/gcc/cp/call.c:359 0x536856 build_cxx_call(tree_node*, int, tree_node**, int) ../../gcc/gcc/cp/call.c:7168 0x548739 build_over_call ../../gcc/gcc/cp/call.c:7152 0x54a371 build_new_function_call(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, int) ../../gcc/gcc/cp/call.c:3917 0x6b6c3e finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, bool, int) ../../gcc/gcc/cp/semantics.c:2257 0x643626 cp_parser_postfix_expression ../../gcc/gcc/cp/parser.c:6009 0x645f6d cp_parser_unary_expression ../../gcc/gcc/cp/parser.c:7009 0x646b4f cp_parser_binary_expression ../../gcc/gcc/cp/parser.c:7701 0x64700f cp_parser_assignment_expression ../../gcc/gcc/cp/parser.c:7937 0x647466 cp_parser_assignment_expression ../../gcc/gcc/cp/parser.c:7987 0x647466 cp_parser_constant_expression ../../gcc/gcc/cp/parser.c:8197 0x65313e cp_parser_init_declarator ../../gcc/gcc/cp/parser.c:16520 0x65377f cp_parser_simple_declaration ../../gcc/gcc/cp/parser.c:10986 0x6555e0 cp_parser_block_declaration ../../gcc/gcc/cp/parser.c:10867 0x65e5ee cp_parser_declaration ../../gcc/gcc/cp/parser.c:10764 0x65d35a cp_parser_declaration_seq_opt ../../gcc/gcc/cp/parser.c:10650 0x65ec36 cp_parser_translation_unit ../../gcc/gcc/cp/parser.c:3939 0x65ec36 c_parse_file() ../../gcc/gcc/cp/parser.c:28898 Please submit a full bug report, [etc.]