[DiagnosticBridge] NFC: Refactor addQueuedDiagnostic to use BridgedSourceLoc to diagnostic location

Author: xedin

include/swift/Bridging/ASTGen.h

@@ -28,7 +28,8 @@ void swift_ASTGen_addQueuedSourceFile(
 void swift_ASTGen_addQueuedDiagnostic(
     void *_Nonnull queued, void *_Nonnull state,
     BridgedStringRef text,
-    BridgedDiagnosticSeverity severity, const void *_Nullable sourceLoc,
+    BridgedDiagnosticSeverity severity,
+    BridgedSourceLoc sourceLoc,
     BridgedStringRef categoryName,
     BridgedStringRef documentationPath,
     const void *_Nullable *_Nullable highlightRanges,

lib/AST/DiagnosticBridge.cpp

@@ -72,7 +72,7 @@ static void addQueueDiagnostic(void *queuedDiagnostics,
   // FIXME: Translate Fix-Its.
   swift_ASTGen_addQueuedDiagnostic(queuedDiagnostics, perFrontendState,
                                    text.str(),
-                                   severity, info.Loc.getOpaquePointerValue(),
+                                   severity, info.Loc,
                                    info.Category,
                                    documentationPath,
                                    highlightRanges.data(),