[clang] [clang-rel] Clone the llvm::Modules to avoid invalid memory access. (PR #89031)

[Vassil Vassilev via cfe-commits]

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@@ -73,7 +74,15 @@ llvm::Error IncrementalExecutor::addModule(PartialTranslationUnit &PTU) {
       Jit->getMainJITDylib().createResourceTracker();
   ResourceTrackers[&PTU] = RT;
 
-  return Jit->addIRModule(RT, {std::move(PTU.TheModule), TSCtx});
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vgvassilev wrote:

Even if we are attaching a resource tracker (`RT`) the Jit decides to destroy the `ThreadSafeModule`.

https://github.com/llvm/llvm-project/pull/89031