[wasm] Do not generate a loop stack check upon a decoder error.

test/mjsunit/regress/wasm/loop-stack-check.js

Index: test/mjsunit/regress/wasm/loop-stack-check.js
diff --git a/test/mjsunit/regress/wasm/regression-654377.js b/test/mjsunit/regress/wasm/loop-stack-check.js
similarity index 65%
copy from test/mjsunit/regress/wasm/regression-654377.js
copy to test/mjsunit/regress/wasm/loop-stack-check.js
index 871da72114f4ee7ba8ed260aed52e46f26b423ee..a76ad017d9c69812c09f7660afdaa2688e7709e6 100644
--- a/test/mjsunit/regress/wasm/regression-654377.js
+++ b/test/mjsunit/regress/wasm/loop-stack-check.js
@@ -9,14 +9,10 @@ load("test/mjsunit/wasm/wasm-module-builder.js");
 
 (function() {
   var builder = new WasmModuleBuilder();
-  builder.addMemory(1, 1, false);
-  builder.addFunction("foo", kSig_i_v)
+  builder.addFunction("foo", kSig_i_ii)
     .addBody([
-              kExprI32Const, 00,
-              kExprMemorySize,
-              kExprBrIf, 00,
-              kExprMemorySize,
-              kExprBr, 0xe7, 0xd2, 0xf2, 0xff, 0x1d
+        kExprLoop, 00,
+        kExprBrTable, 0xfb, 0xff, 0xff, 0xff,
               ])
               .exportFunc();
   assertThrows(function() { builder.instantiate(); });