llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Ashwin Kishin Banwari (kish1n)

<details>
<summary>Changes</summary>

This is already implemented. Proposal: 
https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2020/p2115r0.html

---
Full diff: https://github.com/llvm/llvm-project/pull/147489.diff


2 Files Affected:

- (added) clang/test/SemaCXX/P2115.cpp (+21) 
- (modified) clang/www/cxx_status.html (+1-1) 


``````````diff
diff --git a/clang/test/SemaCXX/P2115.cpp b/clang/test/SemaCXX/P2115.cpp
new file mode 100644
index 0000000000000..4389be992440b
--- /dev/null
+++ b/clang/test/SemaCXX/P2115.cpp
@@ -0,0 +1,21 @@
+// RUN: rm -rf %t
+// RUN: split-file %s %t
+
+
+// RUN: %clang -std=c++20 -fmodule-header %t/A.h -o %t/A.pcm
+// RUN: %clang -std=c++20 -fmodule-header %t/B.h -o %t/B.pcm
+// RUN: %clang -std=c++20 -fsyntax-only -fmodule-file=%t/A.pcm 
-fmodule-file=%t/B.pcm %t/main.cpp
+
+//--- A.h
+// expected-no-diagnostics
+enum { A = 0 };
+
+//--- B.h
+// expected-no-diagnostics
+enum { B = 1 };
+
+//--- main.cpp
+// expected-no-diagnostics
+import "A.h";
+import "B.h";
+int main() {}
diff --git a/clang/www/cxx_status.html b/clang/www/cxx_status.html
index 831f79f7cf17a..1920c8fc79396 100755
--- a/clang/www/cxx_status.html
+++ b/clang/www/cxx_status.html
@@ -935,7 +935,7 @@ <h2 id="cxx20">C++20 implementation status</h2>
       </tr>
       <tr>
         <td><a href="https://wg21.link/p2115r0";>P2115R0</a></td>
-        <td class="partial" align="center">Partial</td>
+        <td class="full" align="center">Yes</td>
       </tr>
       <tr>
         <td><a href="https://wg21.link/p1815r2";>P1815R2</a></td>

``````````

</details>


https://github.com/llvm/llvm-project/pull/147489
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