[turbofan] Stand-alone deferred block splitting - full.

test/unittests/compiler/instruction-sequence-unittest.h

Index: test/unittests/compiler/instruction-sequence-unittest.h
diff --git a/test/unittests/compiler/instruction-sequence-unittest.h b/test/unittests/compiler/instruction-sequence-unittest.h
index eaab0d32429deb6ad60a6fc17ea60b9339924b0e..54317ede21c6107ac04977456012a33a3c98fc35 100644
--- a/test/unittests/compiler/instruction-sequence-unittest.h
+++ b/test/unittests/compiler/instruction-sequence-unittest.h
@@ -126,7 +126,7 @@ class InstructionSequenceTest : public TestWithIsolateAndZone {
 
   void StartLoop(int loop_blocks);
   void EndLoop();
-  void StartBlock();
+  void StartBlock(bool deferred = false);
   Instruction* EndBlock(BlockCompletion completion = FallThrough());
 
   TestOperand Imm(int32_t imm = 0);
@@ -203,7 +203,7 @@ class InstructionSequenceTest : public TestWithIsolateAndZone {
   InstructionOperand* ConvertInputs(size_t input_size, TestOperand* inputs);
   InstructionOperand ConvertInputOp(TestOperand op);
   InstructionOperand ConvertOutputOp(VReg vreg, TestOperand op);
-  InstructionBlock* NewBlock();
+  InstructionBlock* NewBlock(bool deferred = false);
   void WireBlock(size_t block_offset, int jump_offset);
 
   Instruction* Emit(InstructionCode code, size_t outputs_size = 0,