[NFC][clang] Fix clang version in the test for the implementation of cwg1815

[yronglin]

This PR fix the clang version in #97308 .

[llvmbot]

@llvm/pr-subscribers-clang

Author: None (yronglin)

Changes

This PR fix the clang version in #97308 .

---

Full diff: https://github.com/llvm/llvm-project/pull/107838.diff

1 Files Affected:

• (modified) clang/test/CXX/drs/cwg18xx.cpp (+1-1)

diff --git a/clang/test/CXX/drs/cwg18xx.cpp b/clang/test/CXX/drs/cwg18xx.cpp
index 43df5880a14d67..7f0fb8cf589d48 100644
--- a/clang/test/CXX/drs/cwg18xx.cpp
+++ b/clang/test/CXX/drs/cwg18xx.cpp
@@ -206,7 +206,7 @@ namespace cwg1814 { // cwg1814: yes
 #endif
 }
 
-namespace cwg1815 { // cwg1815: 19
+namespace cwg1815 { // cwg1815: 20
 #if __cplusplus >= 201402L
   struct A { int &&r = 0; };
   A a = {};