[Interpreter] Adds delete operator to interpreter.

src/interpreter/interpreter.cc

Index: src/interpreter/interpreter.cc
diff --git a/src/interpreter/interpreter.cc b/src/interpreter/interpreter.cc
index d8711ea588d7d37536c8e76abbd4745d33019770..476178268770b29e89ac7677a74af7fc2c924972 100644
--- a/src/interpreter/interpreter.cc
+++ b/src/interpreter/interpreter.cc
@@ -532,6 +532,26 @@ void Interpreter::DoTypeOf(compiler::InterpreterAssembler* assembler) {
 }
 
 
+// DeletePropertyStrict
+//
+// Delete the property specified in the accumulator from the object
+// referenced by the register operand following strict mode semantics.
+void Interpreter::DoDeletePropertyStrict(
+    compiler::InterpreterAssembler* assembler) {
+  DoBinaryOp(Runtime::kDeleteProperty_Strict, assembler);

[rmcilroy, 2015/10/21 14:52:54]

Hmm, this isn't really a binary op, and when binary ops do more smarts than just
calling the runtime then this will be wrong. Could you just add a DoDelete(...)
which does the same thing and call it from both of these please.

[mythria, 2015/10/23 14:48:01]

Done.

+}
+
+
+// DeletePropertySloppy
+//
+// Delete the property specified in the accumulator from the object
+// referenced by the register operand following sloppy mode semantics.
+void Interpreter::DoDeletePropertySloppy(
+    compiler::InterpreterAssembler* assembler) {
+  DoBinaryOp(Runtime::kDeleteProperty_Sloppy, assembler);
+}
+
+
 // Call <callable> <receiver> <arg_count>
 //
 // Call a JSfunction or Callable in |callable| with the |receiver| and