Merge pull request #37 from apple/tsan-libdispatch-linux-ci

[TSan] Fix test failing on Linux

Author: yln

compiler-rt/test/tsan/libdispatch/dispatch_once_deadlock.c

@@ -1,7 +1,7 @@
 // Check that calling dispatch_once from a report callback works.
 
 // RUN: %clang_tsan %s -o %t
-// RUN: not %run %t 2>&1 | FileCheck %s
+// RUN: not %env_tsan_opts=ignore_noninstrumented_modules=0 %run %t 2>&1 | FileCheck %s
 
 #include <dispatch/dispatch.h>