[turbofan] Support variable size argument popping in TF-generated functions

test/unittests/compiler/common-operator-unittest.cc

Index: test/unittests/compiler/common-operator-unittest.cc
diff --git a/test/unittests/compiler/common-operator-unittest.cc b/test/unittests/compiler/common-operator-unittest.cc
index 787dae01ddf41316f61688adc7c2c2d55087a5d2..7718e51e8262a0a431cee68b29443adfce3aafb6 100644
--- a/test/unittests/compiler/common-operator-unittest.cc
+++ b/test/unittests/compiler/common-operator-unittest.cc
@@ -192,10 +192,10 @@ TEST_F(CommonOperatorTest, Return) {
     const Operator* const op = common()->Return(input_count);
     EXPECT_EQ(IrOpcode::kReturn, op->opcode());
     EXPECT_EQ(Operator::kNoThrow, op->properties());
-    EXPECT_EQ(input_count, op->ValueInputCount());
+    EXPECT_EQ(input_count + 1, op->ValueInputCount());
     EXPECT_EQ(1, op->EffectInputCount());
     EXPECT_EQ(1, op->ControlInputCount());
-    EXPECT_EQ(2 + input_count, OperatorProperties::GetTotalInputCount(op));
+    EXPECT_EQ(3 + input_count, OperatorProperties::GetTotalInputCount(op));
     EXPECT_EQ(0, op->ValueOutputCount());
     EXPECT_EQ(0, op->EffectOutputCount());
     EXPECT_EQ(1, op->ControlOutputCount());