Allow Turbofan optimization of Ignition generators

src/compiler/linkage.cc

Index: src/compiler/linkage.cc
diff --git a/src/compiler/linkage.cc b/src/compiler/linkage.cc
index 3496fa2deb829090c94ac2ee5119c30246595675..b5a945a7c56528a9455879891076352f8d6b4d28 100644
--- a/src/compiler/linkage.cc
+++ b/src/compiler/linkage.cc
@@ -136,6 +136,7 @@ int Linkage::FrameStateInputCount(Runtime::FunctionId function) {
   // not to call into arbitrary JavaScript, not to throw, and not to deoptimize
   // are blacklisted here and can be called without a FrameState.
   switch (function) {
+    case Runtime::kAbort:
     case Runtime::kAllocateInTargetSpace:
     case Runtime::kCreateIterResultObject:
     case Runtime::kDefineDataPropertyInLiteral:
@@ -144,6 +145,11 @@ int Linkage::FrameStateInputCount(Runtime::FunctionId function) {
     case Runtime::kFinalizeClassDefinition:        // TODO(conradw): Is it safe?
     case Runtime::kForInDone:
     case Runtime::kForInStep:
+    case Runtime::kGeneratorSetContext:
+    case Runtime::kGeneratorGetContinuation:
+    case Runtime::kGeneratorSetContinuation:
+    case Runtime::kGeneratorReadRegister:
+    case Runtime::kGeneratorWriteRegister:
     case Runtime::kGetSuperConstructor:
     case Runtime::kIsFunction:
     case Runtime::kNewClosure: