[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..87678e06dff2825e06de5c7f907956ae08fc0d6a 100644
--- a/src/interpreter/mkpeephole.cc
+++ b/src/interpreter/mkpeephole.cc
@@ -106,13 +106,14 @@ PeepholeActionAndData PeepholeActionTableWriter::LookupActionAndData(
     }
   }
 
-  // ToName optimizations: remove unnecessary ToName bytecodes.
+  // ToName bytecodes can be replaced by Star with the same output register if
+  // the value in the accumulator is already a name.
   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};
     }
   }