Fix compile error

Author: aschwaighofer

lib/IRGen/GenDecl.cpp

@@ -4137,7 +4137,7 @@ IRGenModule::getResilienceExpansionForAccess(NominalTypeDecl *decl) {
 // layout. Calling isResilient() with this scope will always return false.
 ResilienceExpansion
 IRGenModule::getResilienceExpansionForLayout(NominalTypeDecl *decl) {
-  if (TC.isCompletelyFragile())
+  if (Types.isCompletelyFragile())
     return ResilienceExpansion::Minimal;
 
   if (isResilient(decl, ResilienceExpansion::Minimal))