Fixed https://bugs.llvm.org/show_bug.cgi?id=41584.

AndreyChurbanov · AndreyChurbanov · commit 6ebb785bb1fd · 2019-05-15T16:53:45.000Z
Removed unconditional and unsafe decrement of counter of active threads in pool at shutdown time. Differential Revision: https://reviews.llvm.org/D61944 llvm-svn: 360784
diff --git a/openmp/runtime/src/kmp_runtime.cpp b/openmp/runtime/src/kmp_runtime.cpp
@@ -6139,8 +6139,6 @@ static void __kmp_internal_end(void) {
       KMP_DEBUG_ASSERT(thread->th.th_reap_state == KMP_SAFE_TO_REAP);
       thread->th.th_next_pool = NULL;
       thread->th.th_in_pool = FALSE;
-      thread->th.th_active_in_pool = FALSE;
-      KMP_ATOMIC_DEC(&__kmp_thread_pool_active_nth);
       __kmp_reap_thread(thread, 0);
     }
     __kmp_thread_pool_insert_pt = NULL;

Original file line number	Diff line number	Diff line change
`@@ -6139,8 +6139,6 @@ static void __kmp_internal_end(void) {`
`6139`	`6139`	`KMP_DEBUG_ASSERT(thread->th.th_reap_state == KMP_SAFE_TO_REAP);`
`6140`	`6140`	`thread->th.th_next_pool = NULL;`
`6141`	`6141`	`thread->th.th_in_pool = FALSE;`
`6142`		`- thread->th.th_active_in_pool = FALSE;`
`6143`		`- KMP_ATOMIC_DEC(&__kmp_thread_pool_active_nth);`
`6144`	`6142`	`__kmp_reap_thread(thread, 0);`
`6145`	`6143`	`}`
`6146`	`6144`	`__kmp_thread_pool_insert_pt = NULL;`