Replace Property#get(DynamicObject, boolean) with Property#get(DynamicObject, Shape)

Author: eregon

src/main/java/org/truffleruby/language/objects/shared/ReadAndShareFieldNode.java

@@ -9,6 +9,7 @@
  */
 package org.truffleruby.language.objects.shared;
 
+import com.oracle.truffle.api.object.Shape;
 import org.truffleruby.language.RubyBaseNode;
 
 import com.oracle.truffle.api.dsl.Specialization;
@@ -28,11 +29,12 @@ public ReadAndShareFieldNode(Property property, int depth) {
         this.writeBarrierNode = WriteBarrierNodeGen.create(depth);
     }
 
-    public abstract void executeReadFieldAndShare(RubyDynamicObject object);
+    public abstract void executeReadFieldAndShare(RubyDynamicObject object, Shape shape);
 
     @Specialization
-    protected void readFieldAndShare(RubyDynamicObject object) {
-        final Object value = property.get(object, true);
+    protected void readFieldAndShare(RubyDynamicObject object, Shape shape) {
+        assert object.getShape() == shape;
+        final Object value = property.get(object, shape);
         writeBarrierNode.executeWriteBarrier(value);
     }
 

src/main/java/org/truffleruby/language/objects/shared/ShareObjectNode.java

@@ -77,7 +77,7 @@ protected void shareCached(RubyDynamicObject object,
         shareInternalFieldsNode.executeShare(object);
 
         for (ReadAndShareFieldNode readAndShareFieldNode : readAndShareFieldNodes) {
-            readAndShareFieldNode.executeReadFieldAndShare(object);
+            readAndShareFieldNode.executeReadFieldAndShare(object, sharedShape);
         }
 
         assert allFieldsAreShared(object);