http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60190
Bug ID: 60190
Summary: [c++1y] ICE with invalid return type of template
lambda
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 line of code (compiled with "-std=c++1y") triggers
an ICE on trunk:
======================================
auto f = []<int>() -> int() {};
======================================
bug.cc:1:27: error: 'operator()' declared as function returning a function
auto f = []<int>() -> int() {};
^
bug.cc:1:29: internal compiler error: in poplevel_class, at
cp/name-lookup.c:2951
auto f = []<int>() -> int() {};
^
0x77d247 poplevel_class()
../../gcc/gcc/cp/name-lookup.c:2951
0x6626b8 popclass()
../../gcc/gcc/cp/class.c:7127
0x67756d finish_struct(tree_node*, tree_node*)
../../gcc/gcc/cp/class.c:6808
0x6b08a7 cp_parser_lambda_expression
../../gcc/gcc/cp/parser.c:8768
0x6b08a7 cp_parser_primary_expression
../../gcc/gcc/cp/parser.c:4305
0x6b20ed cp_parser_postfix_expression
../../gcc/gcc/cp/parser.c:5971
0x6b50c6 cp_parser_unary_expression
../../gcc/gcc/cp/parser.c:7170
0x6b5def cp_parser_binary_expression
../../gcc/gcc/cp/parser.c:7874
0x6b62e1 cp_parser_assignment_expression
../../gcc/gcc/cp/parser.c:8112
0x6b67a5 cp_parser_assignment_expression
../../gcc/gcc/cp/parser.c:8162
0x6b67a5 cp_parser_constant_expression
../../gcc/gcc/cp/parser.c:8372
0x6c82ce cp_parser_init_declarator
../../gcc/gcc/cp/parser.c:16758
0x6c9929 cp_parser_simple_declaration
../../gcc/gcc/cp/parser.c:11205
0x6acc13 cp_parser_block_declaration
../../gcc/gcc/cp/parser.c:11086
0x6d3ec2 cp_parser_declaration
../../gcc/gcc/cp/parser.c:10983
0x6d2bb8 cp_parser_declaration_seq_opt
../../gcc/gcc/cp/parser.c:10869
0x6d445a cp_parser_translation_unit
../../gcc/gcc/cp/parser.c:4014
0x6d445a c_parse_file()
../../gcc/gcc/cp/parser.c:31536
0x7f37c3 c_common_parse_file()
../../gcc/gcc/c-family/c-opts.c:1060
Please submit a full bug report, [etc.]
