Add an #if SANITIZER_MAC and a comment to lsan_common's suppression for "_os_trace".

llvm-svn: 307567

compiler-rt/lib/lsan/lsan_common.cc

@@ -74,11 +74,13 @@ static const char kStdSuppressions[] =
   // definition.
   "leak:*pthread_exit*\n"
 #endif  // SANITIZER_SUPPRESS_LEAK_ON_PTHREAD_EXIT
+#if SANITIZER_MAC
+  // For Darwin and os_log/os_trace: https://reviews.llvm.org/D35173
+  "leak:*_os_trace*\n"
+#endif
   // TLS leak in some glibc versions, described in
   // https://sourceware.org/bugzilla/show_bug.cgi?id=12650.
-  "leak:*tls_get_addr*\n"
-  // For Darwin and os_log/os_trace.
-  "leak:*_os_trace*\n";
+  "leak:*tls_get_addr*\n";
 
 void InitializeSuppressions() {
   CHECK_EQ(nullptr, suppression_ctx);