(fold): Don't try to process an RTL_EXPR.

From-SVN: r5274

(fold): Don't try to process an RTL_EXPR.
From-SVN: r5274
ac27d589 · Richard Kenner · 71f15013 · ac27d589
Commit ac27d589 authored Sep 07, 1993 by Richard Kenner
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gcc/fold-const.c
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--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -3070,6 +3070,10 @@ fold (expr)

  int wins = 1;

+  /* Don't try to process an RTL_EXPR since its operands aren't trees.  */
+  if (code == RTL_EXPR)
+    return t;
+
  /* Return right away if already constant.  */
  if (TREE_CONSTANT (t))
    {