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

test/cctest/wasm/wasm-run-utils.h

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WASM_RUN_UTILS_H
 #define WASM_RUN_UTILS_H
 
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
@@ skipping 369 matching lines @@
                                   parameters);
 
     effect = graph()->NewNode(
         machine()->Store(
             StoreRepresentation(MachineTypeForC<ReturnType>().representation(),
                                 WriteBarrierKind::kNoWriteBarrier)),
         graph()->NewNode(common()->Parameter(WASM_RUNNER_MAX_NUM_PARAMETERS),
                          graph()->start()),
         graph()->NewNode(common()->Int32Constant(0)), call, effect,
         graph()->start());
+    Node* zero = graph()->NewNode(common()->Int32Constant(0));
     Node* r = graph()->NewNode(
-        common()->Return(),
+        common()->Return(), zero,
         graph()->NewNode(common()->Int32Constant(WASM_WRAPPER_RETURN_VALUE)),
         effect, graph()->start());
     graph()->SetEnd(graph()->NewNode(common()->End(2), r, graph()->start()));
   }
 
   void SetInnerCode(Handle<Code> code_handle) {
     NodeProperties::ChangeOp(inner_code_node_,
                              common()->HeapConstant(code_handle));
   }
 
@@ skipping 382 matching lines @@
 // interpreter.
 #define WASM_EXEC_TEST(name)                                               \
   void RunWasm_##name(WasmExecutionMode execution_mode);                   \
   TEST(RunWasmCompiled_##name) { RunWasm_##name(kExecuteCompiled); }       \
   TEST(RunWasmInterpreted_##name) { RunWasm_##name(kExecuteInterpreted); } \
   void RunWasm_##name(WasmExecutionMode execution_mode)
 
 }  // namespace
 
 #endif