This is the mail archive of the gcc-bugs@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

[Bug c++/67151] New: internal compiler error: in tsubst, at cp/pt.c:12126


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.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]