http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59636
Bug ID: 59636
Summary: [c++1y] ICE with missing template parameter in 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 code line (compiled with "-std=c++1y") triggers an
ICE on trunk:
===========================================
auto i = []() { return []<>() {}; };
===========================================
bug.cc: In lambda function:
bug.cc:1:26: internal compiler error: Segmentation fault
auto i = []() { return []<>() {}; };
^
0xb75baf crash_signal
../../gcc/gcc/toplev.c:336
0x6916ef cp_parser_template_parameter
../../gcc/gcc/cp/parser.c:13055
0x6916ef cp_parser_template_parameter_list
../../gcc/gcc/cp/parser.c:12882
0x67d322 cp_parser_lambda_declarator_opt
../../gcc/gcc/cp/parser.c:9027
0x67d322 cp_parser_lambda_expression
../../gcc/gcc/cp/parser.c:8751
0x67d322 cp_parser_primary_expression
../../gcc/gcc/cp/parser.c:4309
0x67e5da cp_parser_postfix_expression
../../gcc/gcc/cp/parser.c:5969
0x681698 cp_parser_unary_expression
../../gcc/gcc/cp/parser.c:7170
0x68232f cp_parser_binary_expression
../../gcc/gcc/cp/parser.c:7874
0x682821 cp_parser_assignment_expression
../../gcc/gcc/cp/parser.c:8112
0x6847b4 cp_parser_expression
../../gcc/gcc/cp/parser.c:8274
0x67dce1 cp_parser_expression
../../gcc/gcc/cp/parser.c:8313
0x67dce1 cp_parser_lambda_body
../../gcc/gcc/cp/parser.c:9223
0x67dce1 cp_parser_lambda_expression
../../gcc/gcc/cp/parser.c:8754
0x67dce1 cp_parser_primary_expression
../../gcc/gcc/cp/parser.c:4309
0x67e5da cp_parser_postfix_expression
../../gcc/gcc/cp/parser.c:5969
0x681698 cp_parser_unary_expression
../../gcc/gcc/cp/parser.c:7170
0x68232f cp_parser_binary_expression
../../gcc/gcc/cp/parser.c:7874
0x682821 cp_parser_assignment_expression
../../gcc/gcc/cp/parser.c:8112
0x682ce5 cp_parser_assignment_expression
../../gcc/gcc/cp/parser.c:8162
Please submit a full bug report, [etc.]
Maybe the compiler chokes on the fact that there are more braces, brackets
and parentheses than letters in the code ;-)
