* expr.c (expand_expr): Bail earlier if we get an error_mark_node.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34940 138bc75d-0d04-0410-961f-82ee72b054a4
nikolayvoronchikhin · Jul 10, 2000 · 87ec3f7 · 87ec3f7
1 parent bdcbc55
commit 87ec3f7
Show file tree

Hide file tree

Showing 2 changed files with 5 additions and 0 deletions.
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
@@ -1,5 +1,7 @@
 2000-07-09  Jason Merrill  <jason@redhat.com>
 
+	* expr.c (expand_expr): Bail earlier if we get an error_mark_node.
+
 	* tree.h (STRIP_NOPS): Check for error_mark_node.
 	(STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
 	(dwarf2out_*): Remove duplicate declarations.

diff --git a/gcc/expr.c b/gcc/expr.c
@@ -7104,6 +7104,9 @@ expand_expr (exp, target, tmode, modifier)
     case NOP_EXPR:
     case CONVERT_EXPR:
     case REFERENCE_EXPR:
+      if (TREE_OPERAND (exp, 0) == error_mark_node)
+	return error_mark_node;
+
       if (TREE_CODE (type) == UNION_TYPE)
 	{
 	  tree valtype = TREE_TYPE (TREE_OPERAND (exp, 0));