tsan: clarify "thread ended with ignores enabled" message

llvm-svn: 195858
diff --git a/compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cc b/compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cc
index f8835eb..c2fcd71 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cc
@@ -169,6 +169,8 @@
       " created at:\n", tctx->tid, tctx->name);
     PrintStack(SymbolizeStackId(tctx->creation_stack_id));
   }
+  Printf("  One of the following ignores was not ended"
+      " (in order of probability)\n");
   for (uptr i = 0; i < set->Size(); i++) {
     Printf("  Ignore was enabled at:\n");
     PrintStack(SymbolizeStackId(set->At(i)));