Merging r308484:

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r308484 | hans | 2017-07-19 08:06:31 -0700 (Wed, 19 Jul 2017) | 1 line

Defeat another -Wunused-but-set-variable warning
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_50@308488 91177308-0d34-0410-b5e6-96231b3b80d8

Author: zmodem

examples/ParallelJIT/ParallelJIT.cpp

@@ -145,6 +145,7 @@ class WaitForThreads
     waitFor = 0;
 
     int result = pthread_cond_init( &condition, nullptr );
+    (void)result;
     assert( result == 0 );
 
     result = pthread_mutex_init( &mutex, nullptr );