[Test] Fix AsmJsUnOpsCheckOrigin off-stack access.

test/unittests/wasm/ast-decoder-unittest.cc

Index: test/unittests/wasm/ast-decoder-unittest.cc
diff --git a/test/unittests/wasm/ast-decoder-unittest.cc b/test/unittests/wasm/ast-decoder-unittest.cc
index f508094ef361cfc4859ca635ffa9bb12391e9692..82cac51add44dc820082104f07366fc4042f36b2 100644
--- a/test/unittests/wasm/ast-decoder-unittest.cc
+++ b/test/unittests/wasm/ast-decoder-unittest.cc
@@ -1559,9 +1559,9 @@ TEST_F(AstDecoderTest, AsmJsBinOpsCheckOrigin) {
 
 TEST_F(AstDecoderTest, AsmJsUnOpsCheckOrigin) {
   LocalType float32int32[] = {kAstF32, kAstI32};
-  FunctionSig sig_f_i(1, 2, float32int32);
+  FunctionSig sig_f_i(1, 1, float32int32);
   LocalType float64int32[] = {kAstF64, kAstI32};
-  FunctionSig sig_d_i(1, 2, float64int32);
+  FunctionSig sig_d_i(1, 1, float64int32);
   struct {
     WasmOpcode op;
     FunctionSig* sig;