(fold): Do A op C1 ? A : C2 opt only for INTEGER_TYPEs.

From-SVN: r1965

diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index e23683e2dcb8586af79e747a6fedc653c55dfc88..069c503cb23e5e31dc605f70f38098969b2324bc 100644 (file)
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -4110,9 +4110,11 @@ fold (expr)
          /* If this is A op C1 ? A : C2 with C1 and C2 constant integers,
             we might still be able to simplify this.  For example,
             if C1 is one less or one more than C2, this might have started
-            out as a MIN or MAX and been transformed by this function.  */
+            out as a MIN or MAX and been transformed by this function.
+            Only good for INTEGER_TYPE, because we need TYPE_MAX_VALUE.  */
 
-         if (TREE_CODE (TREE_OPERAND (arg0, 1)) == INTEGER_CST
+         if (TREE_CODE (type) == INTEGER_TYPE
+             && TREE_CODE (TREE_OPERAND (arg0, 1)) == INTEGER_CST
              && TREE_CODE (arg2) == INTEGER_CST)
            switch (comp_code)
              {