[clang] [clang][DependencyScanning] Implementation of `CompilerInstanceWithContext` to Improve By-Name Queries (PR #164345)

[Jan Svoboda via cfe-commits]

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@@ -149,6 +151,52 @@ std::shared_ptr<ModuleDepCollector> initializeScanInstanceDependencyCollector(
     DependencyActionController &Controller,
     PrebuiltModulesAttrsMap PrebuiltModulesASTMap,
     llvm::SmallVector<StringRef> &StableDirs);
+
+class CompilerInstanceWithContext {
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jansvoboda11 wrote:

Does this need to be in the header file? The worker holds it in a `unique_ptr` and we don't expose it in the public API.

https://github.com/llvm/llvm-project/pull/164345