https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67151
Bug ID: 67151
Summary: internal compiler error: in tsubst, at cp/pt.c:12126
Product: gcc
Version: 5.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: nickolay.merkin at gmail dot com
Target Milestone: ---
http://ideone.com/4t9nUW
C++14
Source file (just two lines!)
template<int N> const auto ice = true ? 0 : ice<(N>0 ? N-1 : 0)>;
const auto crash = ice<1>;
Output:
prog.cpp: In instantiation of 'const auto ice<1>':
prog.cpp:2:20: required from here
prog.cpp:1:28: internal compiler error: in tsubst, at cp/pt.c:12126
template<int N> const auto ice = true ? 0 : ice<(N>0 ? N-1 : 0)>;
^
0x821bd70 tsubst(tree_node*, tree_node*, int, tree_node*)
../../src/gcc/cp/pt.c:12126
0x822793a tsubst_decl
../../src/gcc/cp/pt.c:11441
0x821b2be tsubst(tree_node*, tree_node*, int, tree_node*)
../../src/gcc/cp/pt.c:11934
0x8225b04 tsubst_copy
../../src/gcc/cp/pt.c:13081
0x8217f03 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
../../src/gcc/cp/pt.c:15705
0x8219e48 tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool,
bool)
../../src/gcc/cp/pt.c:15369
0x821fde7 tsubst_expr
../../src/gcc/cp/pt.c:14530
0x821de87 regenerate_decl_from_template
../../src/gcc/cp/pt.c:20022
0x821de87 instantiate_decl(tree_node*, int, bool)
../../src/gcc/cp/pt.c:20434
0x824c1a3 mark_used(tree_node*, int)
../../src/gcc/cp/decl2.c:5032
0x824c53d mark_used(tree_node*)
../../src/gcc/cp/decl2.c:5146
0x82b2e24 finish_id_expression(tree_node*, tree_node*, tree_node*, cp_id_kind*,
bool, bool, bool*, bool, bool, bool, bool, char const**, unsigned int)
../../src/gcc/cp/semantics.c:3582
0x8267a2f cp_parser_primary_expression
../../src/gcc/cp/parser.c:4763
0x8268ab4 cp_parser_postfix_expression
../../src/gcc/cp/parser.c:6157
0x826acf0 cp_parser_unary_expression
../../src/gcc/cp/parser.c:7438
0x826b7f4 cp_parser_binary_expression
../../src/gcc/cp/parser.c:8172
0x826bdbb cp_parser_assignment_expression
../../src/gcc/cp/parser.c:8430
0x826c1f7 cp_parser_constant_expression
../../src/gcc/cp/parser.c:8676
0x8279d76 cp_parser_init_declarator
../../src/gcc/cp/parser.c:17270
0x827b0c0 cp_parser_simple_declaration
../../src/gcc/cp/parser.c:11607
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <file:///usr/share/doc/gcc-5/README.Bugs> for instructions.
