[compiler-rt] Change linkage for friendship with modules (PR #166399)

via llvm-commits llvm-commits at lists.llvm.org
Fri Nov 21 05:14:31 PST 2025


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``````````bash
git-clang-format --diff origin/main HEAD --extensions h -- compiler-rt/include/sanitizer/tsan_interface.h --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/compiler-rt/include/sanitizer/tsan_interface.h b/compiler-rt/include/sanitizer/tsan_interface.h
index 6127ec8de..6a8f9cf50 100644
--- a/compiler-rt/include/sanitizer/tsan_interface.h
+++ b/compiler-rt/include/sanitizer/tsan_interface.h
@@ -36,44 +36,42 @@ void SANITIZER_CDECL __tsan_release(void *addr);
 // the flags may be passed to __tsan_mutex_pre_lock/__tsan_mutex_post_lock
 // annotations.
 
-enum : unsigned
-{
-    // Mutex has static storage duration and no-op constructor and destructor.
-    // This effectively makes tsan ignore destroy annotation.
-    __tsan_mutex_linker_init      = 1 << 0,
-    // Mutex is write reentrant.
-    __tsan_mutex_write_reentrant  = 1 << 1,
-    // Mutex is read reentrant.
-    __tsan_mutex_read_reentrant   = 1 << 2,
-    // Mutex does not have static storage duration, and must not be used after
-    // its destructor runs.  The opposite of __tsan_mutex_linker_init.
-    // If this flag is passed to __tsan_mutex_destroy, then the destruction
-    // is ignored unless this flag was previously set on the mutex.
-    __tsan_mutex_not_static       = 1 << 8,
-
-    // Mutex operation flags:
-
-    // Denotes read lock operation.
-    __tsan_mutex_read_lock = 1 << 3,
-    // Denotes try lock operation.
-    __tsan_mutex_try_lock = 1 << 4,
-    // Denotes that a try lock operation has failed to acquire the mutex.
-    __tsan_mutex_try_lock_failed = 1 << 5,
-    // Denotes that the lock operation acquires multiple recursion levels.
-    // Number of levels is passed in recursion parameter.
-    // This is useful for annotation of e.g. Java builtin monitors,
-    // for which wait operation releases all recursive acquisitions of the mutex.
-    __tsan_mutex_recursive_lock = 1 << 6,
-    // Denotes that the unlock operation releases all recursion levels.
-    // Number of released levels is returned and later must be passed to
-    // the corresponding __tsan_mutex_post_lock annotation.
-    __tsan_mutex_recursive_unlock = 1 << 7,
-
-    // Convenient composed constants.
-    __tsan_mutex_try_read_lock = 
-        __tsan_mutex_read_lock | __tsan_mutex_try_lock,
-    __tsan_mutex_try_read_lock_failed =
-        __tsan_mutex_try_read_lock | __tsan_mutex_try_lock_failed
+enum : unsigned {
+  // Mutex has static storage duration and no-op constructor and destructor.
+  // This effectively makes tsan ignore destroy annotation.
+  __tsan_mutex_linker_init = 1 << 0,
+  // Mutex is write reentrant.
+  __tsan_mutex_write_reentrant = 1 << 1,
+  // Mutex is read reentrant.
+  __tsan_mutex_read_reentrant = 1 << 2,
+  // Mutex does not have static storage duration, and must not be used after
+  // its destructor runs.  The opposite of __tsan_mutex_linker_init.
+  // If this flag is passed to __tsan_mutex_destroy, then the destruction
+  // is ignored unless this flag was previously set on the mutex.
+  __tsan_mutex_not_static = 1 << 8,
+
+  // Mutex operation flags:
+
+  // Denotes read lock operation.
+  __tsan_mutex_read_lock = 1 << 3,
+  // Denotes try lock operation.
+  __tsan_mutex_try_lock = 1 << 4,
+  // Denotes that a try lock operation has failed to acquire the mutex.
+  __tsan_mutex_try_lock_failed = 1 << 5,
+  // Denotes that the lock operation acquires multiple recursion levels.
+  // Number of levels is passed in recursion parameter.
+  // This is useful for annotation of e.g. Java builtin monitors,
+  // for which wait operation releases all recursive acquisitions of the mutex.
+  __tsan_mutex_recursive_lock = 1 << 6,
+  // Denotes that the unlock operation releases all recursion levels.
+  // Number of released levels is returned and later must be passed to
+  // the corresponding __tsan_mutex_post_lock annotation.
+  __tsan_mutex_recursive_unlock = 1 << 7,
+
+  // Convenient composed constants.
+  __tsan_mutex_try_read_lock = __tsan_mutex_read_lock | __tsan_mutex_try_lock,
+  __tsan_mutex_try_read_lock_failed =
+      __tsan_mutex_try_read_lock | __tsan_mutex_try_lock_failed
 };
 
 // Annotate creation of a mutex.

``````````

</details>


https://github.com/llvm/llvm-project/pull/166399


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