[interpreter] Add output register to ToName

src/interpreter/mkpeephole.cc

Index: src/interpreter/mkpeephole.cc
diff --git a/src/interpreter/mkpeephole.cc b/src/interpreter/mkpeephole.cc
index d89390d45d125f9ca2d6dfaf619ce911794bdcb6..482823abb2af602ee8f51727100690830828cc8c 100644
--- a/src/interpreter/mkpeephole.cc
+++ b/src/interpreter/mkpeephole.cc
@@ -109,10 +109,10 @@ PeepholeActionAndData PeepholeActionTableWriter::LookupActionAndData(
   // ToName optimizations: remove unnecessary ToName bytecodes.

[oth, 2016/07/22 11:13:10]

Can this comment be updated to reflect the new semantics of ToName and the
subsequent replacement operation with Star in the optimization here?

[klaasb, 2016/07/25 12:25:08]

Done.

   if (current == Bytecode::kToName) {
     if (last == Bytecode::kLdaConstant) {
-      return {PeepholeAction::kElideCurrentIfLoadingNameConstantAction,
+      return {PeepholeAction::kTransformToStarIfLoadingNameConstantAction,
               Bytecode::kIllegal};
     } else if (Bytecodes::PutsNameInAccumulator(last)) {
-      return {PeepholeAction::kElideCurrentAction, Bytecode::kIllegal};
+      return {PeepholeAction::kChangeBytecodeAction, Bytecode::kStar};
     }
   }