(fold): Handle COMPONENT_REFs involving CONSTRUCTORs.

From-SVN: r8095
1994-09-20 00:32:29 +00:00 · 1994-09-20 00:32:29 +00:00 · e082358bff
commit e082358bff
parent df8b713c8c
1 changed files with 5 additions and 0 deletions
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@ -3422,6 +3422,11 @@ fold (expr)
      return t;
 #endif /* 0 */

+    case COMPONENT_REF:
+      if (TREE_CODE (arg0) == CONSTRUCTOR)
+	t = TREE_VALUE (purpose_member (arg1, CONSTRUCTOR_ELTS (arg0)));
+      return t;
+
    case RANGE_EXPR:
      TREE_CONSTANT (t) = wins;
      return t;