is this relevant?

KiaraGrouwstra · KiaraGrouwstra · commit 43071959824d · 2017-08-13T15:12:59.000+08:00
diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
@@ -17942,6 +17942,7 @@ namespace ts {
                 const uninstantiatedType = checkExpressionWorker(<Expression>node, checkMode);
                 type = instantiateTypeWithSingleGenericCallSignature(<Expression>node, uninstantiatedType, checkMode);
             }
+            // 6606: getTypeFromTypeNode? or is this about actual expressions? in that case just add function call syntax? check how it gets type for that?
 
             if (isConstEnumObjectType(type)) {
                 // enum object type for const enums are only permitted in:

Original file line number	Diff line number	Diff line change
`@@ -17942,6 +17942,7 @@ namespace ts {`
`17942`	`17942`	`const uninstantiatedType = checkExpressionWorker(<Expression>node, checkMode);`
`17943`	`17943`	`type = instantiateTypeWithSingleGenericCallSignature(<Expression>node, uninstantiatedType, checkMode);`
`17944`	`17944`	`}`
	`17945`	`+ // 6606: getTypeFromTypeNode? or is this about actual expressions? in that case just add function call syntax? check how it gets type for that?`
`17945`	`17946`
`17946`	`17947`	`if (isConstEnumObjectType(type)) {`
`17947`	`17948`	`// enum object type for const enums are only permitted in:`