[turbofan] Add test to keep generic pipeline on life support.

src/compiler/instruction-selector.cc

Index: src/compiler/instruction-selector.cc
diff --git a/src/compiler/instruction-selector.cc b/src/compiler/instruction-selector.cc
index 13a76da12ae0c6f090b288395dec147cf707b45e..3ea316fd95f0525421440e71ca533543b2c13646 100644
--- a/src/compiler/instruction-selector.cc
+++ b/src/compiler/instruction-selector.cc
@@ -1037,12 +1037,6 @@ FrameStateDescriptor* InstructionSelector::GetFrameStateDescriptor(
     Node* state) {
   DCHECK(state->opcode() == IrOpcode::kFrameState);
   DCHECK_EQ(kFrameStateInputCount, state->InputCount());
-  DCHECK_EQ(IrOpcode::kTypedStateValues,
-            state->InputAt(kFrameStateParametersInput)->opcode());
-  DCHECK_EQ(IrOpcode::kTypedStateValues,
-            state->InputAt(kFrameStateLocalsInput)->opcode());
-  DCHECK_EQ(IrOpcode::kTypedStateValues,
-            state->InputAt(kFrameStateStackInput)->opcode());
   FrameStateCallInfo state_info = OpParameter<FrameStateCallInfo>(state);
 
   int parameters = static_cast<int>(
@@ -1094,10 +1088,6 @@ void InstructionSelector::AddFrameStateInputs(
   Node* context = state->InputAt(kFrameStateContextInput);
   Node* function = state->InputAt(kFrameStateFunctionInput);
 
-  DCHECK_EQ(IrOpcode::kTypedStateValues, parameters->op()->opcode());
-  DCHECK_EQ(IrOpcode::kTypedStateValues, locals->op()->opcode());
-  DCHECK_EQ(IrOpcode::kTypedStateValues, stack->op()->opcode());
-
   DCHECK_EQ(descriptor->parameters_count(),
             StateValuesAccess(parameters).size());
   DCHECK_EQ(descriptor->locals_count(), StateValuesAccess(locals).size());