allow CoreFoundation to declare CGFloat

Author: salinas-miguel

lib/AST/ASTContext.cpp

@@ -4837,6 +4837,7 @@ bool ASTContext::isTypeBridgedInExternalModule(
           // bridging implementations of CG types appear in the Foundation
           // module.
           nominal->getParentModule()->getName() == Id_CoreGraphics ||
+          nominal->getParentModule()->getName() == Id_CoreFoundation ||
           // CoreMedia is a dependency of AVFoundation, but the bridged
           // NSValue implementations for CMTime, CMTimeRange, and
           // CMTimeMapping are provided by AVFoundation, and AVFoundation

lib/AST/Type.cpp

@@ -826,7 +826,8 @@ bool TypeBase::isCGFloatType() {
   // On macOS `CGFloat` is part of a `CoreGraphics` module,
   // but on Linux it could be found in `Foundation`.
   return (module->getName().is("CoreGraphics") ||
-          module->getName().is("Foundation")) &&
+          module->getName().is("Foundation")   ||
+          module->getName().is("CoreFoundation")) &&
          NTD->getName().is("CGFloat");
 }