jruby · Jan 28, 2016 · Jan 28, 2016 · Jan 28, 2016 · Jan 28, 2016 · Jan 28, 2016
diff --git a/core/src/main/java/org/jruby/RubyClass.java b/core/src/main/java/org/jruby/RubyClass.java
@@ -706,7 +706,7 @@ private static IRubyObject checkFuncallMissing(ThreadContext context, RubyClass
 
         DynamicMethod me = klass.searchMethod("respond_to_missing?");
         // MRI: basic_obj_respond_to_missing ...
-        if ( me != null && ! me.isUndefined() ) {
+        if ( me != null && ! me.isUndefined() && ! me.isBuiltin() ) {
             IRubyObject ret;
             if (me.getArity().getValue() == 1) {
                 ret = me.call(context, self, klass, "respond_to_missing?", runtime.newSymbol(method));

diff --git a/core/src/main/java/org/jruby/exceptions/RaiseException.java b/core/src/main/java/org/jruby/exceptions/RaiseException.java
@@ -188,7 +188,7 @@ public String getMessage() {
      * Gets the exception
      * @return Returns a RubyException
      */
-    public RubyException getException() {
+    public final RubyException getException() {
         return exception;
     }
 
@@ -257,7 +257,7 @@ private void doSetLastError(final ThreadContext context) {
      * Sets the exception
      * @param newException The exception to set
      */
-    protected void setException(RubyException newException, boolean nativeException) {
+    protected final void setException(RubyException newException, boolean nativeException) {
         this.exception = newException;
         this.nativeException = nativeException;
     }

diff --git a/core/src/main/java/org/jruby/util/TypeConverter.java b/core/src/main/java/org/jruby/util/TypeConverter.java
@@ -48,9 +48,6 @@
 import org.jruby.runtime.ThreadContext;
 import org.jruby.runtime.builtin.IRubyObject;
 
-import java.util.Arrays;
-import java.util.List;
-
 public class TypeConverter {
 
     /**
@@ -370,7 +367,7 @@ public static IRubyObject convertToInteger(ThreadContext context, IRubyObject va
 
     // MRI: rb_Array
     public static RubyArray rb_Array(ThreadContext context, IRubyObject val) {
-        IRubyObject tmp = checkArrayType(val);
+        IRubyObject tmp = checkArrayType(val); // to_ary
 
         if (tmp.isNil()) {
             tmp = convertToTypeWithCheck19(val, context.runtime.getArray(), "to_a");

diff --git a/spec/regression/GH-1877_delete_if_updates_spec.rb b/spec/regression/GH-1877_delete_if_updates_spec.rb
diff --git a/spec/regression/GH-1962_Kernel_Array_coercion_spec.rb b/spec/regression/GH-1962_Kernel_Array_coercion_spec.rb
@@ -1,30 +1,28 @@
-if RUBY_VERSION >= "1.9"
-  describe "GH-1962: Kernel::Array" do
-    it "coerces Array-like objects that define method_missing" do
-      o = Object.new
-      def o.method_missing(name, *args)
-        []
-      end
-
-      expect(Array(o)).to eq([])
+describe "GH-1962: Kernel::Array" do
+  it "coerces Array-like objects that define method_missing" do
+    o = Object.new
+    def o.method_missing(name, *args)
+      []
     end
 
-    it "coerces Array-like objects that define to_ary" do
-      o = Object.new
-      def o.to_ary
-        []
-      end
+    expect(Array(o)).to eq([])
+  end
 
-      expect(Array(o)).to eq([])
+  it "coerces Array-like objects that define to_ary" do
+    o = Object.new
+    def o.to_ary
+      []
     end
 
-    it "coerces Array-like objects that define to_a" do
-      o = Object.new
-      def o.to_a
-        []
-      end
+    expect(Array(o)).to eq([])
+  end
 
-      expect(Array(o)).to eq([])
+  it "coerces Array-like objects that define to_a" do
+    o = Object.new
+    def o.to_a
+      []
     end
+
+    expect(Array(o)).to eq([])
   end
-end
+end