1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/stmt.c b/gcc/stmt.c
index be3e876..1937453 100644
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -693,7 +693,11 @@ expand_asm_operands (tree string, tree outputs, tree inputs,
   CLEAR_HARD_REG_SET (clobbered_regs);
   for (tail = clobbers; tail; tail = TREE_CHAIN (tail))
     {
-      const char *regname = TREE_STRING_POINTER (TREE_VALUE (tail));
+      const char *regname;
+
+      if (TREE_VALUE (tail) == error_mark_node)
+	return;
+      regname = TREE_STRING_POINTER (TREE_VALUE (tail));
 
       i = decode_reg_name (regname);
       if (i >= 0 || i == -4)