[PATCH] Fix hash of WIDEN_*_EXPR

[Richard Biener]

We're hashing operand 2 to the temporary hash.

Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.

        * fold-const.cc (operand_compare::hash_operand): Fix hash
        of WIDEN_*_EXPR.
---
 gcc/fold-const.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/fold-const.cc b/gcc/fold-const.cc
index 7838f32cc26..eeadc8db9f6 100644
--- 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;
              }
 
-- 
2.35.3