Upload Kmake

deps/v8/test/mjsunit/regress/wasm/regress-13826.js

@@ -0,0 +1,51 @@
+// Copyright 2023 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.
+
+// Flags: --allow-natives-syntax
+
+d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
+
+let builder = new WasmModuleBuilder();
+
+let struct = builder.addStruct([makeField(kWasmI32, true)]);
+
+builder.addFunction('test', kSig_i_v)
+    .exportFunc()
+    .addLocals(kWasmAnyRef, 1)
+    .addBody([
+      kExprI32Const, 0,
+      kExprIf, kWasmRef, struct,
+      kGCPrefix, kExprStructNewDefault, struct,
+      kExprElse,
+      kGCPrefix, kExprStructNewDefault, struct,
+      kExprEnd,
+      kExprLocalTee, 0,
+      kGCPrefix, kExprRefTestNull, kI31RefCode,
+    ]);
+
+builder.addFunction('cast', kSig_r_v)
+    .exportFunc()
+    .addLocals(kWasmAnyRef, 1)
+    .addBody([
+      kExprI32Const, 0,
+      kExprIf, kWasmRef, struct,
+      kGCPrefix, kExprStructNewDefault, struct,
+      kExprElse,
+      kGCPrefix, kExprStructNewDefault, struct,
+      kExprEnd,
+      kExprLocalTee, 0,
+      kGCPrefix, kExprRefCastNull, kStructRefCode,
+      kGCPrefix, kExprExternConvertAny,
+    ]);
+
+let instance = builder.instantiate();
+let test = instance.exports.test;
+let cast = instance.exports.cast;
+assertEquals(0, test());
+%WasmTierUpFunction(test);
+assertEquals(0, test());
+
+assertNotNull(cast());
+%WasmTierUpFunction(cast);
+assertNotNull(cast());