gistfile1.txt

foo.c: In function ‘foo’:
foo.c:4:3: internal compiler error: Segmentation fault
   return _1(D);
   ^~~~~~
0xbf102f crash_signal
	../../gcc/gcc/toplev.c:337
0xc487b5 set_ssa_default_def(function*, tree_node*, tree_node*)
	../../gcc/gcc/tree-dfa.c:327
0x6cb50f c_parser_gimple_postfix_expression
	../../gcc/gcc/c/gimple-parser.c:904
0x6cbc6a c_parser_gimple_unary_expression
	../../gcc/gcc/c/gimple-parser.c:624
0x6cca7f c_parser_gimple_return_stmt
	../../gcc/gcc/c/gimple-parser.c:1515
0x6cca7f c_parser_gimple_compound_statement
	../../gcc/gcc/c/gimple-parser.c:196
0x6cca7f c_parser_parse_gimple_body(c_parser*)
	../../gcc/gcc/c/gimple-parser.c:92
0x6b51c5 c_parser_declaration_or_fndef
	../../gcc/gcc/c/c-parser.c:2091
0x6bd31b c_parser_external_declaration
	../../gcc/gcc/c/c-parser.c:1468
0x6bdd81 c_parser_translation_unit
	../../gcc/gcc/c/c-parser.c:1348
0x6bdd81 c_parse_file()
	../../gcc/gcc/c/c-parser.c:18190
0x71ce32 c_common_parse_file()
	../../gcc/gcc/c-family/c-opts.c:1107