[Bug c++/64029] New: const int (&in)[]{1,2,3,4,5}; results in internal compiler error: Segmentation fault

[narayan_behera at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64029

            Bug ID: 64029
           Summary: const int (&in)[]{1,2,3,4,5}; results in internal
                    compiler error: Segmentation fault
           Product: gcc
           Version: 4.9.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: narayan_behera at hotmail dot com

Here is a single line program that recreates the bug:

int main() {  const int (&in)[]{1,2,3,4,5};  return 0; }

-------------- g++ diagnostics follows ----------------------------

g++ -std=c++11 -Wall -Wextra -c usearr1.cpp
usearr1.cpp: In function ‘int main()’:
usearr1.cpp:4:15: warning: unused variable ‘in’ [-Wunused-variable]
   const int (&in)[]{1,2,3,4,5};
               ^
usearr1.cpp:4:30: internal compiler error: Segmentation fault
   const int (&in)[]{1,2,3,4,5};
                              ^
0x855784a crash_signal
    .././gcc-4.9.1/gcc/toplev.c:337
0x83e6aca gimplify_decl_expr
    .././gcc-4.9.1/gcc/gimplify.c:1359
0x83e6aca gimplify_expr(tree_node**, gimple_statement_base**,
gimple_statement_base**, bool (*)(tree_node*), int)
    .././gcc-4.9.1/gcc/gimplify.c:7820
0x83e9c17 gimplify_stmt(tree_node**, gimple_statement_base**)
    .././gcc-4.9.1/gcc/gimplify.c:5373
0x83e7904 gimplify_cleanup_point_expr
    .././gcc-4.9.1/gcc/gimplify.c:5149
0x83e7904 gimplify_expr(tree_node**, gimple_statement_base**,
gimple_statement_base**, bool (*)(tree_node*), int)
    .././gcc-4.9.1/gcc/gimplify.c:7990
0x83e9c17 gimplify_stmt(tree_node**, gimple_statement_base**)
    .././gcc-4.9.1/gcc/gimplify.c:5373
0x83e81fc gimplify_statement_list
    .././gcc-4.9.1/gcc/gimplify.c:1432
0x83e81fc gimplify_expr(tree_node**, gimple_statement_base**,
gimple_statement_base**, bool (*)(tree_node*), int)
    .././gcc-4.9.1/gcc/gimplify.c:8042
0x83e9c17 gimplify_stmt(tree_node**, gimple_statement_base**)
    .././gcc-4.9.1/gcc/gimplify.c:5373
0x83ea4a8 gimplify_bind_expr
    .././gcc-4.9.1/gcc/gimplify.c:1099
0x83e784e gimplify_expr(tree_node**, gimple_statement_base**,
gimple_statement_base**, bool (*)(tree_node*), int)
    .././gcc-4.9.1/gcc/gimplify.c:7824
0x83e9c17 gimplify_stmt(tree_node**, gimple_statement_base**)
    .././gcc-4.9.1/gcc/gimplify.c:5373
0x83e81fc gimplify_statement_list
    .././gcc-4.9.1/gcc/gimplify.c:1432
0x83e81fc gimplify_expr(tree_node**, gimple_statement_base**,
gimple_statement_base**, bool (*)(tree_node*), int)
    .././gcc-4.9.1/gcc/gimplify.c:8042
0x83e9c17 gimplify_stmt(tree_node**, gimple_statement_base**)
    .././gcc-4.9.1/gcc/gimplify.c:5373
0x83eaaba gimplify_body(tree_node*, bool)
    .././gcc-4.9.1/gcc/gimplify.c:8734
0x83eada0 gimplify_function_tree(tree_node*)
    .././gcc-4.9.1/gcc/gimplify.c:8887
0x82e3cf8 analyze_function
    .././gcc-4.9.1/gcc/cgraphunit.c:649
0x82e4c86 analyze_functions
    .././gcc-4.9.1/gcc/cgraphunit.c:1017
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