Fix hash of WIDEN_*_EXPR

We're hashing operand 2 to the temporary hash.

	* fold-const.cc (operand_compare::hash_operand): Fix hash
	of WIDEN_*_EXPR.

diff --git a/gcc/fold-const.cc b/gcc/fold-const.cc
index 83c32dd10d4aa7888817beb90825ac1e6a6ae692..8908e7381e72cbbf4a8fd96f18cbf4436aba8441 100644 (file)
--- a/gcc/fold-const.cc
+++ b/gcc/fold-const.cc
@@ -4123,7 +4123,7 @@ operand_compare::hash_operand (const_tree t, inchash::hash &hstate,
                hash_operand (TREE_OPERAND (t, 0), one, flags);
                hash_operand (TREE_OPERAND (t, 1), two, flags);
                hstate.add_commutative (one, two);
-               hash_operand (TREE_OPERAND (t, 2), two, flags);
+               hash_operand (TREE_OPERAND (t, 2), hstate, flags);
                return;
              }