[Bug c++/67257] New: Internal compiler error in retrieve_specialization

[jasterrett at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67257

            Bug ID: 67257
           Summary: Internal compiler error in retrieve_specialization
           Product: gcc
           Version: 5.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: jasterrett at gmail dot com
  Target Milestone: ---

Created attachment 36199
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36199&action=edit
Preprocessed code

Attached find the preprocessed code.

System is Linux Mint 17.2 Cinnamon 64-bit, running as guest in Oracle
VirtualBox.

g++ -v yields:
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/x86_64-unknown-linux-gnu/5.2.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc-5.2.0/configure --enable-languages=c,c++
--program-suffix=-5.2.0 --enable-shared --enable-threads=posix
enable-libstdcxx-debug --enable-plugin --disable-werror --disable-multilib
Thread model: posix
gcc version 5.2.0 (GCC)

Compiled as:
g++ -std=c++14 -Wall -Wextra -pedantic -o test Matrix.tcc --save-temps

Error message:
Matrix.tcc: In substitution of ‘template<class Func> template<class T, class
... Args> T _foldl::operator()(T, Args ...) [with T = <missing>; Args =
<missing>; Func = int]’:
Matrix.tcc:34:51:   required from here
Matrix.tcc:34:51: internal compiler error: in retrieve_specialization, at
cp/pt.c:1060
   std::cout << foldl<std::plus<int>>(1, 2, 3, 4, 5) << std::endl;
                                                   ^
0x6452a3 retrieve_specialization
        ../../gcc-5.2.0/gcc/cp/pt.c:1057
0x6596ae instantiate_template_1
        ../../gcc-5.2.0/gcc/cp/pt.c:16038
0x6596ae instantiate_template(tree_node*, tree_node*, int)
        ../../gcc-5.2.0/gcc/cp/pt.c:16151
0x65e239 fn_type_unification(tree_node*, tree_node*, tree_node*, tree_node*
const*, unsigned int, tree_node*, unification_kind_t, int, bool, bool)
        ../../gcc-5.2.0/gcc/cp/pt.c:16500
0x61b6d9 add_template_candidate_real
        ../../gcc-5.2.0/gcc/cp/call.c:3067
0x61bd5c add_template_candidate
        ../../gcc-5.2.0/gcc/cp/call.c:3164
0x61bd5c add_candidates
        ../../gcc-5.2.0/gcc/cp/call.c:5295
0x61ff87 build_op_call_1
        ../../gcc-5.2.0/gcc/cp/call.c:4281
0x61ff87 build_op_call(tree_node*, vec<tree_node*, va_gc, vl_embed>**, int)
        ../../gcc-5.2.0/gcc/cp/call.c:4368
0x6e73b8 finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool,
bool, int)
        ../../gcc-5.2.0/gcc/cp/semantics.c:2426
0x69b691 cp_parser_postfix_expression
        ../../gcc-5.2.0/gcc/cp/parser.c:6375
0x69db29 cp_parser_unary_expression
        ../../gcc-5.2.0/gcc/cp/parser.c:7438
0x69e997 cp_parser_simple_cast_expression
        ../../gcc-5.2.0/gcc/cp/parser.c:23892
0x69e997 cp_parser_binary_expression
        ../../gcc-5.2.0/gcc/cp/parser.c:8230
0x69ec9d cp_parser_assignment_expression
        ../../gcc-5.2.0/gcc/cp/parser.c:8430
0x6a1011 cp_parser_expression
        ../../gcc-5.2.0/gcc/cp/parser.c:8584
0x6a16c6 cp_parser_expression_statement
        ../../gcc-5.2.0/gcc/cp/parser.c:9991
0x698305 cp_parser_statement
        ../../gcc-5.2.0/gcc/cp/parser.c:9842
0x698e92 cp_parser_statement_seq_opt
        ../../gcc-5.2.0/gcc/cp/parser.c:10114
0x698fc3 cp_parser_compound_statement
        ../../gcc-5.2.0/gcc/cp/parser.c:10068
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.