[compiler] Remove obsolete JSYield operator.

src/compiler/ast-graph-builder.cc

Index: src/compiler/ast-graph-builder.cc
diff --git a/src/compiler/ast-graph-builder.cc b/src/compiler/ast-graph-builder.cc
index ddd8610b902f1a7db1371e148259aa3fefdfbea2..36a6e99b17c782e0f5048b8e57a69eb5cd8b6a91 100644
--- a/src/compiler/ast-graph-builder.cc
+++ b/src/compiler/ast-graph-builder.cc
@@ -2250,11 +2250,7 @@ void AstGraphBuilder::VisitAssignment(Assignment* expr) {
 }
 
 
-void AstGraphBuilder::VisitYield(Yield* expr) {
-  // TODO(turbofan): Implement yield here.
-  SetStackOverflow();
-  ast_context()->ProduceValue(jsgraph()->UndefinedConstant());
-}
+void AstGraphBuilder::VisitYield(Yield* expr) { UNREACHABLE(); }

[Michael Starzinger, 2016/05/17 15:49:32]

As discussed offline: I think we still need this bailout to make sure that the
"--turbo --always-opt" flag combination works. Let's just keep this method
unchanged.

 
 
 void AstGraphBuilder::VisitThrow(Throw* expr) {