finish remove unused yieldTypes

Kanchalai Tanglertsampan · Kanchalai Tanglertsampan · commit 71e52dea9236 · 2017-03-21T08:38:01.000-07:00
diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
@@ -15138,7 +15138,7 @@ namespace ts {
                     }
                 }
                 // Return a union of the return expression types.
-                type = getUnionType(yieldTypes ? yieldTypes.concat(types) : types, /*subtypeReduction*/ true);
+                type = getUnionType(types, /*subtypeReduction*/ true);
 
                 if (functionFlags & FunctionFlags.Generator) { // AsyncGenerator function or Generator function
                     type = functionFlags & FunctionFlags.Async

Original file line number	Diff line number	Diff line change
`@@ -15138,7 +15138,7 @@ namespace ts {`
`15138`	`15138`	`}`
`15139`	`15139`	`}`
`15140`	`15140`	`// Return a union of the return expression types.`
`15141`		`- type = getUnionType(yieldTypes ? yieldTypes.concat(types) : types, /subtypeReduction/ true);`
	`15141`	`+ type = getUnionType(types, /subtypeReduction/ true);`
`15142`	`15142`
`15143`	`15143`	`if (functionFlags & FunctionFlags.Generator) { // AsyncGenerator function or Generator function`
`15144`	`15144`	`type = functionFlags & FunctionFlags.Async`