[llvm-branch-commits] [clang-tools-extra] [clangd] Clarify release note about skipping preamble builds when using modules (PR #212402)

[via llvm-branch-commits]

llvmorg-github-actions[bot] wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-tools-extra

Author: Nathan Ridge (HighCommander4)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/212402.diff


1 Files Affected:

- (modified) clang-tools-extra/docs/ReleaseNotes.rst (+3-1) 


``````````diff
diff --git a/clang-tools-extra/docs/ReleaseNotes.rst b/clang-tools-extra/docs/ReleaseNotes.rst
index 66b36a9f64998..697f13f99f617 100644
--- a/clang-tools-extra/docs/ReleaseNotes.rst
+++ b/clang-tools-extra/docs/ReleaseNotes.rst
@@ -267,7 +267,9 @@ Improvements to C++20 Modules support
 
 - Fixed handling of relative paths in prebuilt module files
 
-- Added a ``--skip-preamble-build`` command-line option
+- Clangd's preamble optimization is skipped for translation units
+  that use modules. (The two features have buggy interactions, and
+  modules independently provide much of the same performance benefit.)
 
 - Support different modules with the same name in a project
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/212402