Add test

DKLoehr · DKLoehr · commit 2e9bafe0191e · 2025-02-20T15:45:02.000Z
diff --git a/clang/test/SemaCXX/unique_object_duplication.h b/clang/test/SemaCXX/unique_object_duplication.h
@@ -99,6 +99,9 @@ inline void has_thread_local() {
   thread_local int disallowedThreadLocal = 0; // hidden-warning {{'disallowedThreadLocal' may be duplicated when built into a shared library: it is mutable, has hidden visibility, and external linkage}}
 }
 
+// Functions themselves are always immutable, so referencing them is okay
+inline auto& allowedFunctionReference = has_static_locals_external;
+
 } // namespace StaticLocalTest
 
 /******************************************************************************

Original file line number	Diff line number	Diff line change
`@@ -99,6 +99,9 @@ inline void has_thread_local() {`
`99`	`99`	`thread_local int disallowedThreadLocal = 0; // hidden-warning {{'disallowedThreadLocal' may be duplicated when built into a shared library: it is mutable, has hidden visibility, and external linkage}}`
`100`	`100`	`}`
`101`	`101`
	`102`	`+// Functions themselves are always immutable, so referencing them is okay`
	`103`	`+inline auto& allowedFunctionReference = has_static_locals_external;`
	`104`	`+`
`102`	`105`	`} // namespace StaticLocalTest`
`103`	`106`
`104`	`107`	`/******************************************************************************`