Merge pull request #9767 from RyanCavanaugh/fix9766

Emit parens around type-asserted binary operators

tests/cases/compiler/umdGlobalMerge.ts

@@ -1,14 +0,0 @@
-// @filename: a.d.ts
-export = ns;
-
-export as namespace ns;
-
-declare namespace ns {
-  export var x: number;
-  export interface IFoo { }
-}
-
-// @filename: b.d.ts
-declare namespace ns.something {
-  export var p: ns.IFoo;
-}

tests/cases/conformance/expressions/asOperator/asOpEmitParens.ts

@@ -0,0 +1,9 @@
+declare var x;
+// Must emit as (x + 1) * 3
+(x + 1 as number) * 3;
+
+// Should still emit as x.y
+(x as any).y;
+
+// Emit as new (x())
+new (x() as any);