gistfile1.txt

undef.c: In function ‘foo’:
undef.c:3:14: error: base variable or SSA name undeclared before ‘(’ token
   return t0_1(D);
              ^
undef.c:3:14: internal compiler error: tree check: expected ssa_name, have error_mark in c_parser_gimple_postfix_expression, at c/gimple-parser.c:901
0xea314c tree_check_failed(tree_node const*, char const*, int, char const*, ...)
	../../gcc/gcc/tree.c:9815
0x6cb6c1 tree_check(tree_node*, char const*, int, char const*, tree_code)
	../../gcc/gcc/tree.h:3064
0x6cb6c1 c_parser_gimple_postfix_expression
	../../gcc/gcc/c/gimple-parser.c:901
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