[wasm] Fix typing of loop labels in br_table

test/cctest/wasm/test-run-wasm.cc

 // Copyright 2015 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.
 
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "src/assembler-inl.h"
 #include "src/base/platform/elapsed-timer.h"
@@ skipping 1000 matching lines @@
   CHECK_EQ(8, r.Call(3, 0));
   CHECK_EQ(8, r.Call(4, 0));
 
   CHECK_EQ(115, r.Call(0, 100));
   CHECK_EQ(114, r.Call(1, 100));
   CHECK_EQ(112, r.Call(2, 100));
   CHECK_EQ(108, r.Call(3, 100));
   CHECK_EQ(108, r.Call(4, 100));
 }
 
+WASM_EXEC_TEST(BrTable_loop_target) {
+  byte code[] = {
+      WASM_LOOP_I(
+          WASM_BLOCK(
+              WASM_BR_TABLE(WASM_GET_LOCAL(0), 2,
+                  BR_TARGET(0), BR_TARGET(1), BR_TARGET(1))),
+          WASM_ONE)};
+
+  WasmRunner<int32_t, int32_t> r(execution_mode);
+  r.Build(code, code + arraysize(code));
+
+  CHECK_EQ(1, r.Call(0));
+}
+
 WASM_EXEC_TEST(F32ReinterpretI32) {
   WasmRunner<int32_t> r(execution_mode);
   int32_t* memory = r.module().AddMemoryElems<int32_t>(8);
 
   BUILD(r, WASM_I32_REINTERPRET_F32(
                WASM_LOAD_MEM(MachineType::Float32(), WASM_ZERO)));
 
   FOR_INT32_INPUTS(i) {
     int32_t expected = *i;
     r.module().WriteMemory(&memory[0], expected);
@@ skipping 1920 matching lines @@
   BUILD(r, WASM_I32_REMS(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)), WASM_DROP,
         WASM_ZERO);
   const int32_t kMin = std::numeric_limits<int32_t>::min();
   CHECK_EQ(0, r.Call(133, 100));
   CHECK_EQ(0, r.Call(kMin, -1));
   CHECK_EQ(0, r.Call(0, 1));
   CHECK_TRAP(r.Call(100, 0));
   CHECK_TRAP(r.Call(-1001, 0));
   CHECK_TRAP(r.Call(kMin, 0));
 }