[wasm] Add stack checks at the beginning of each function.

test/mjsunit/wasm/wasm-constants.js

Index: test/mjsunit/wasm/wasm-constants.js
diff --git a/test/mjsunit/wasm/wasm-constants.js b/test/mjsunit/wasm/wasm-constants.js
index 04ac0c9592807a8c15ea4ba4c457d1660d515237..7222d0d3ba7c0f5a2fa27a765f298f9b998b272b 100644
--- a/test/mjsunit/wasm/wasm-constants.js
+++ b/test/mjsunit/wasm/wasm-constants.js
@@ -317,6 +317,7 @@ var kTrapFloatUnrepresentable = 5;
 var kTrapFuncInvalid          = 6;
 var kTrapFuncSigMismatch      = 7;
 var kTrapInvalidIndex         = 8;
+var kTrapStackOverflow        = 9;
 
 var kTrapMsgs = [
   "unreachable",
@@ -327,7 +328,8 @@ var kTrapMsgs = [
   "integer result unrepresentable",
   "invalid function",
   "function signature mismatch",
-  "invalid index into function table"
+  "invalid index into function table",
+  "Maximum WebAssembly call stack size exceeded"
 ];
 
 function assertTraps(trap, code) {