[wasm] Adding feature to JIT a wasm function at runtime and hook up the compiled code into the indi…

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 5f0abb8325b082f17340825ad625eeea4886d750..952ed01452f2db67267aa9ae1e50d18216177ffe 100644
--- a/test/mjsunit/wasm/wasm-constants.js
+++ b/test/mjsunit/wasm/wasm-constants.js
@@ -304,6 +304,8 @@ var kExprI32Rol = 0xb7;
 var kExprI64Ror = 0xb8;
 var kExprI64Rol = 0xb9;
 
+var kExprJITSingleFunction = 0xf0;
+
 var kTrapUnreachable          = 0;
 var kTrapMemOutOfBounds       = 1;
 var kTrapDivByZero            = 2;
@@ -313,6 +315,7 @@ var kTrapFloatUnrepresentable = 5;
 var kTrapFuncInvalid          = 6;
 var kTrapFuncSigMismatch      = 7;
 var kTrapMemAllocationFail    = 8;
+var kTrapInvalidIndex         = 9;
 
 var kTrapMsgs = [
   "unreachable",
@@ -323,7 +326,8 @@ var kTrapMsgs = [
   "integer result unrepresentable",
   "invalid function",
   "function signature mismatch",
-  "failed to allocate memory"
+  "failed to allocate memory",
+  "invalid index into function table"
 ];
 
 function assertTraps(trap, code) {