Revert "Don't consider 'typeof a' as using 'a' (#28528)"

This reverts commit 0c4ceee.

Author: sandersn

src/compiler/checker.ts

@@ -1483,7 +1483,7 @@ namespace ts {
             // We just climbed up parents looking for the name, meaning that we started in a descendant node of `lastLocation`.
             // If `result === lastSelfReferenceLocation.symbol`, that means that we are somewhere inside `lastSelfReferenceLocation` looking up a name, and resolving to `lastLocation` itself.
             // That means that this is a self-reference of `lastLocation`, and shouldn't count this when considering whether `lastLocation` is used.
-            if (isUse && result && (!lastSelfReferenceLocation || result !== lastSelfReferenceLocation.symbol) && !isInTypeQuery(originalLocation!)) {
+            if (isUse && result && (!lastSelfReferenceLocation || result !== lastSelfReferenceLocation.symbol)) {
                 result.isReferenced! |= meaning;
             }
 
@@ -19055,7 +19055,7 @@ namespace ts {
         }
 
         function markPropertyAsReferenced(prop: Symbol, nodeForCheckWriteOnly: Node | undefined, isThisAccess: boolean) {
-            if (nodeForCheckWriteOnly && isInTypeQuery(nodeForCheckWriteOnly) || !(prop.flags & SymbolFlags.ClassMember) || !prop.valueDeclaration || !hasModifier(prop.valueDeclaration, ModifierFlags.Private)) {
+            if (!prop || !(prop.flags & SymbolFlags.ClassMember) || !prop.valueDeclaration || !hasModifier(prop.valueDeclaration, ModifierFlags.Private)) {
                 return;
             }
             if (nodeForCheckWriteOnly && isWriteOnlyAccess(nodeForCheckWriteOnly) && !(prop.flags & SymbolFlags.SetAccessor && !(prop.flags & SymbolFlags.GetAccessor))) {