[Bug debug/59323] New: [4.9 Regression] Int. comp. error: in add_AT_specification, at dwarf2out.c:4026

[d.g.gorbachev at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59323

            Bug ID: 59323
           Summary: [4.9 Regression] Int. comp. error: in
                    add_AT_specification, at dwarf2out.c:4026
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: debug
          Assignee: unassigned at gcc dot gnu.org
          Reporter: d.g.gorbachev at gmail dot com

Created attachment 31316
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31316&action=edit
Testcase (compile with "-g -O2 -flto")

GCC 4.9.0 20131124 (experimental).

1.c: In function 'main':
1.c:33:1: internal compiler error: in add_AT_specification, at dwarf2out.c:4026
 }
 ^
0x8267571 add_AT_specification
    ../../gcc-4.9/gcc/dwarf2out.c:4026
0x8267571 gen_subprogram_die
    ../../gcc-4.9/gcc/dwarf2out.c:17995
0x826d89c gen_decl_die
    ../../gcc-4.9/gcc/dwarf2out.c:20338
0x82856ad process_scope_var
    ../../gcc-4.9/gcc/dwarf2out.c:19946
0x8285726 decls_for_scope
    ../../gcc-4.9/gcc/dwarf2out.c:19971
0x8285cae gen_lexical_block_die
    ../../gcc-4.9/gcc/dwarf2out.c:18970
0x828694d gen_block_die
    ../../gcc-4.9/gcc/dwarf2out.c:19918
0x82858a8 decls_for_scope
    ../../gcc-4.9/gcc/dwarf2out.c:19985
0x8285cae gen_lexical_block_die
    ../../gcc-4.9/gcc/dwarf2out.c:18970
0x828694d gen_block_die
    ../../gcc-4.9/gcc/dwarf2out.c:19918
0x82858a8 decls_for_scope
    ../../gcc-4.9/gcc/dwarf2out.c:19985
0x826983d gen_subprogram_die
    ../../gcc-4.9/gcc/dwarf2out.c:18355
0x826d89c gen_decl_die
    ../../gcc-4.9/gcc/dwarf2out.c:20338
0x826ea4b dwarf2out_decl(tree_node*)
    ../../gcc-4.9/gcc/dwarf2out.c:20721
0x826eb21 dwarf2out_function_decl
    ../../gcc-4.9/gcc/dwarf2out.c:20729
0x82e36a8 rest_of_handle_final
    ../../gcc-4.9/gcc/final.c:4469
0x82e3897 execute
    ../../gcc-4.9/gcc/final.c:4513

GCC 20130526 /rev. 199345/ - works, GCC 20130630 /rev. 200571/ - fails.