llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Egor Zhdan (egorzhdan)

<details>
<summary>Changes</summary>

This fixes tests that are going to be upstreamed in the near future. Currently 
they are failing downstream in the Apple open source fork.

Failing tests
  Clang :: APINotes/retain-count-convention.m
  Clang :: APINotes/types.m
  Clang :: APINotes/versioned-multi.c
  Clang :: APINotes/versioned.m

Since 2e5af56 got merged, Clang now enables `LangOpts.APINotesModules` when 
reading a precompiled module that was built with API Notes enabled. This is 
correct. The logic in APINotesManager needs to be adjusted to handle this.

rdar://123526142

---
Full diff: https://github.com/llvm/llvm-project/pull/84556.diff


1 Files Affected:

- (modified) clang/lib/APINotes/APINotesManager.cpp (+1-1) 


``````````diff
diff --git a/clang/lib/APINotes/APINotesManager.cpp 
b/clang/lib/APINotes/APINotesManager.cpp
index d3aef09dac9105..f60f09e2b3c231 100644
--- a/clang/lib/APINotes/APINotesManager.cpp
+++ b/clang/lib/APINotes/APINotesManager.cpp
@@ -224,7 +224,7 @@ APINotesManager::getCurrentModuleAPINotes(Module *M, bool 
LookInModule,
   llvm::SmallVector<FileEntryRef, 2> APINotes;
 
   // First, look relative to the module itself.
-  if (LookInModule) {
+  if (LookInModule && M->Directory) {
     // Local function to try loading an API notes file in the given directory.
     auto tryAPINotes = [&](DirectoryEntryRef Dir, bool WantPublic) {
       if (auto File = findAPINotesFile(Dir, ModuleName, WantPublic)) {

``````````

</details>


https://github.com/llvm/llvm-project/pull/84556
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