* thread.c (Init_Thread): add a code comment why the meaningless

  line is necessary.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31676 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/thread.c b/thread.c
index 23ed2bc07f..cf7affa424 100644
--- a/thread.c
+++ b/thread.c
@@ -4694,6 +4694,7 @@ Init_Thread(void)
 
     rb_thread_create_timer_thread();
 
+    /* suppress warnings on cygwin, mingw and mswin.*/
     (void)native_mutex_trylock;
 }