read volatile method handle field once

jruby · Dec 11, 2016 · 8451dba · 8451dba
1 parent 6a6383c
commit 8451dba
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/core/src/main/java/org/jruby/runtime/BlockBody.java b/core/src/main/java/org/jruby/runtime/BlockBody.java
@@ -68,9 +68,10 @@ public boolean canCallDirect() {
     }
 
     public MethodHandle getTestBlockBody() {
+        final MethodHandle testBlockBody = this.testBlockBody;
         if (testBlockBody != null) return testBlockBody;
 
-        return testBlockBody = Binder.from(boolean.class, ThreadContext.class, Block.class).drop(0).append(this).invoke(TEST_BLOCK_BODY);
+        return this.testBlockBody = Binder.from(boolean.class, ThreadContext.class, Block.class).drop(0).append(this).invoke(TEST_BLOCK_BODY);
     }
 
     private static final MethodHandle TEST_BLOCK_BODY = Binder.from(boolean.class, Block.class, BlockBody.class).invokeStaticQuiet(MethodHandles.lookup(), BlockBody.class, "testBlockBody");