Fixes for freeze fix

Author: bjfish

spec/ruby/language/def_spec.rb

@@ -91,17 +91,21 @@ def foo(a); end
   end
 
   it "raises FrozenError with the correct class name" do
-    -> { Module.new do
-      self.freeze
-      def foo; end
-    end }.should raise_error(FrozenError){ |e|
+    -> {
+      Module.new do
+        self.freeze
+        def foo; end
+      end
+    }.should raise_error(FrozenError) { |e|
       e.message.should == "can't modify frozen module"
     }
 
-    -> { Class.new do
-      self.freeze
-      def foo; end
-    end }.should raise_error(FrozenError){ |e|
+    -> {
+      Class.new do
+        self.freeze
+        def foo; end
+      end
+    }.should raise_error(FrozenError){ |e|
       e.message.should == "can't modify frozen class"
     }
   end

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

@@ -857,13 +857,14 @@ protected Object freeze(Object self,
         @Specialization(limit = "getRubyLibraryCacheLimit()", guards = "isRubyDynamicObject(self)")
         protected Object freezeDynamicObject(Object self,
                 @CachedLibrary("self") RubyLibrary rubyLibrary,
-                @Cached("createBinaryProfile()") ConditionProfile singletonProfile,
+                @CachedLibrary(limit = "1") RubyLibrary rubyLibraryMetaClass,
+                @Cached ConditionProfile singletonProfile,
                 @Cached MetaClassNode metaClassNode) {
             final RubyClass metaClass = metaClassNode.execute(self);
             if (singletonProfile.profile(metaClass.isSingleton &&
                     !(RubyGuards.isRubyClass(self) && ((RubyClass) self).isSingleton))) {
-                if (!RubyLibrary.getUncached().isFrozen(metaClass)) {
-                    RubyLibrary.getUncached().freeze(metaClass);
+                if (!rubyLibraryMetaClass.isFrozen(metaClass)) {
+                    rubyLibraryMetaClass.freeze(metaClass);
                 }
             }
             rubyLibrary.freeze(self);