[asm.js] [wasm] Store function start position for stack check

test/mjsunit/wasm/stack.js

 // 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.
 
 // clang-format off
 // Flags: --expose-wasm
 
 load("test/mjsunit/wasm/wasm-constants.js");
 load("test/mjsunit/wasm/wasm-module-builder.js");
 
@@ skipping 127 matching lines @@
       kExprCallIndirect, sig_index, kTableZero
     ])
     .exportFunc()
   builder.appendToTable([0]);
 
   try {
     builder.instantiate().exports.recursion();
     fail("expected wasm exception");
   } catch (e) {
     assertEquals("Maximum call stack size exceeded", e.message, "trap reason");
+    assertTrue(e.stack.length >= 4, "expected at least 4 stack entries");
+    verifyStack(e.stack.splice(0, 4), [
+        // isWasm     function  line  pos  file
+        [    true, "recursion",    0,   0, null],
+        [    true, "recursion",    0,   3, null],
+        [    true, "recursion",    0,   3, null],
+        [    true, "recursion",    0,   3, null]
+    ]);
   }
 })();