[Sema] Fixing compilation errors caused by removed APIs

Author: LucianoPAlmeida

lib/Sema/CSDiagnostics.cpp

@@ -5549,8 +5549,8 @@ bool ThrowingFunctionConversionFailure::diagnoseAsError() {
 bool UnnecessaryCoercionFailure::diagnoseAsError() {
   auto expr = getAsExpr<CoerceExpr>(getAnchor());
   auto sourceRange =
-      SourceRange(expr->getLoc(), expr->getCastTypeLoc().getSourceRange().End);
-  auto castType = expr->getCastTypeLoc().getType();
+      SourceRange(expr->getLoc(), expr->getCastTypeRepr()->getSourceRange().End);
+  auto castType = getType(expr->getCastTypeRepr());
 
   if (isa<TypeAliasType>(getFromType().getPointer()) &&
       isa<TypeAliasType>(getToType().getPointer())) {

lib/Sema/CSFix.cpp

@@ -1163,11 +1163,11 @@ bool RemoveUnnecessaryCoercion::attempt(ConstraintSystem &cs, Type fromType,
   // to AnyHashable where if we coerce a generic type that conforms to
   // this protocol to AnyHashable we match equal types here, but the
   // explicit coercion is still required.
-  auto castType = cs.getType(expr->getCastTypeLoc());
+  auto castType = cs.getType(expr->getCastTypeRepr());
   if (!fromType->isEqual(castType) && cs.isAnyHashableType(castType))
     return false;
 
-  auto toTypeRepr = expr->getCastTypeLoc().getTypeRepr();
+  auto toTypeRepr = expr->getCastTypeRepr();
 
   // Don't emit this diagnostic for Implicitly unwrapped optional types
   // e.g. i as Int!