---

yaml
---
r: 349455
b: refs/heads/master-next
c: ac53a28
h: refs/heads/master
i:
  349453: 23fc1d2
  349451: 3e03f93
  349447: bab91bc
  349439: 5ea090b

Author: swift-ci

[refs]

@@ -1,6 +1,6 @@
 ---
 refs/heads/master: 3574c513bbc5578dd9346b4ea9ab5995c5927bb5
-refs/heads/master-next: f3f5194bcd8be7cce7657718be51a3d663e39108
+refs/heads/master-next: ac53a288b214f791e9538f5994b7d25c28a2970c
 refs/tags/osx-passed: b6b74147ef8a386f532cf9357a1bde006e552c54
 refs/tags/swift-2.2-SNAPSHOT-2015-12-01-a: 6bb18e013c2284f2b45f5f84f2df2887dc0f7dea
 refs/tags/swift-2.2-SNAPSHOT-2015-12-01-b: 66d897bfcf64a82cb9a87f5e663d889189d06d07

branches/master-next/lib/Sema/TypeCheckExpr.cpp

@@ -416,7 +416,7 @@ namespace {
       if (!group) return false;
       if (storedGroup == group) return !GroupAndIsStrict.getInt();
       return TC.Context.associateInfixOperators(group, storedGroup)
-               == Associativity::Left;
+               != Associativity::Right;
     }
   };
 } // end anonymous namespace

branches/master-next/test/Constraints/operator.swift

@@ -237,3 +237,21 @@ func sr10843() {
   (^^^)(s, s)
   _ = (==)(0, 0)
 }
+
+// SR-10970
+precedencegroup PowerPrecedence {
+  lowerThan: BitwiseShiftPrecedence
+  higherThan: AdditionPrecedence
+  associativity: right
+}
+infix operator ^^ : PowerPrecedence
+
+extension Int {
+  static func ^^ (lhs: Int, rhs: Int) -> Int {
+    var result = 1
+    for _ in 1...rhs { result *= lhs }
+    return result
+  }
+}
+
+_ = 1 ^^ 2 ^^ 3 * 4 // expected-error {{adjacent operators are in unordered precedence groups 'PowerPrecedence' and 'MultiplicationPrecedence'}}