Merge pull request #61649 from xymus/index-swiftinterfaces

[Index] Force indexing of system modules to read only from swiftinterfaces

include/swift/Basic/LangOptions.h

@@ -216,6 +216,9 @@ namespace swift {
 
     /// Emit a remark after loading a module.
     bool EnableModuleLoadingRemarks = false;
+
+    /// Emit a remark when indexing a system module.
+    bool EnableIndexingSystemModuleRemarks = false;
     
     /// Emit a remark on early exit in explicit interface build
     bool EnableSkipExplicitInterfaceModuleBuildRemarks = false;