[clang] a0f0b01 - [clang][Sema] Add regression test for invalid friend declaration (#224798)

[via cfe-commits]

Author: Jeewoong Kim
Date: 2026-10-23T15:03:57Z
New Revision: a0f0b01f54253244ee585b85476834c80f40b717

URL: https://github.com/llvm/llvm-project/commit/a0f0b01f54253244ee585b85476834c80f40b717
DIFF: https://github.com/llvm/llvm-project/commit/a0f0b01f54253244ee585b85476834c80f40b717.diff

LOG: [clang][Sema] Add regression test for invalid friend declaration (#224798)

This adds regression coverage for the friend function declaration path,
which is not covered by
the existing test in `class.friend/p6.cpp`.

Fixes #132614.

Added: 
    

Modified: 
    clang/test/CXX/class/class.friend/p6.cpp

Removed: 
    


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diff  --git a/clang/test/CXX/class/class.friend/p6.cpp b/clang/test/CXX/class/class.friend/p6.cpp
index a96dd8a3d4e4a8..2152c87e38ef65 100644
--- a/clang/test/CXX/class/class.friend/p6.cpp
+++ b/clang/test/CXX/class/class.friend/p6.cpp
@@ -20,4 +20,5 @@ class A {
   friend thread_local class G; // expected-error {{'thread_local' is invalid in friend declarations}}
 #endif
   friend register enum; // expected-error {{expected identifier or '{'}} expected-error {{'register' is invalid in friend declarations}}
+  friend static unknown foo(); // expected-error {{unknown type name 'unknown'}} expected-error {{'static' is invalid in friend declarations}}
 };