Fix Die() after pthread_exit call on macOS

Summary:
Scoped interceptor should not be used when calling real pthread_exit().
On macOS C++ destructors are not called by pthread_exit(), and later check for empty thread ignore set fails.

Patch by Yuri Per.

Reviewers: dvyukov, vitalybuka

Reviewed By: vitalybuka

Subscribers: vitalybuka, thegameg, kubamracek, jfb, llvm-commits, #sanitizers

Tags: #sanitizers, #llvm

Differential Revision: https://reviews.llvm.org/D57963

llvm-svn: 353561

compiler-rt/lib/tsan/rtl/tsan_interceptors.cc

@@ -1051,6 +1051,9 @@ TSAN_INTERCEPTOR(int, pthread_detach, void *th) {
 }
 
 TSAN_INTERCEPTOR(void, pthread_exit, void *retval) {
+  {
+    SCOPED_INTERCEPTOR_RAW(pthread_exit, retval);
+  }
   REAL(pthread_exit)(retval);
 }