Profile the result of Kernel#block_given?.

Author: aardvark179

src/main/java/org/truffleruby/core/kernel/KernelNodes.java

@@ -294,7 +294,7 @@ public boolean blockGiven(VirtualFrame frame,
                 @Cached("create(nil())") FindAndReadDeclarationVariableNode readNode,
                 @Cached("createBinaryProfile()") ConditionProfile blockProfile) {
             MaterializedFrame callerFrame = callerFrameNode.execute(frame).materialize();
-            return readNode.execute(callerFrame, TranslatorEnvironment.IMPLICIT_BLOCK_NAME) != nil();
+            return blockProfile.profile(readNode.execute(callerFrame, TranslatorEnvironment.IMPLICIT_BLOCK_NAME) != nil());
         }
     }