[wasm] Remove non-standard kExprI8Const bytecode

test/mjsunit/regress/wasm/regression-667745.js

Index: test/mjsunit/regress/wasm/regression-667745.js
diff --git a/test/mjsunit/regress/wasm/regression-667745.js b/test/mjsunit/regress/wasm/regression-667745.js
index f78681e9b55c3029cd98cfa14d5f1577e53eb9ba..edc3e23bd38bdfd2469e2b875aa78d2fe8b6660f 100644
--- a/test/mjsunit/regress/wasm/regression-667745.js
+++ b/test/mjsunit/regress/wasm/regression-667745.js
@@ -11,12 +11,12 @@ load("test/mjsunit/wasm/wasm-module-builder.js");
   var builder = new WasmModuleBuilder();
   builder.addFunction("test", kSig_i_iii)
     .addBody([
-kExprI8Const, 0xcb,
+kExprI32Const, 0x0b,
 kExprI32Clz,
 kExprI32Clz,
 kExprI32Clz,
 kExprI32Const, 0x67,
-kExprI8Const, 0x67,
+kExprI32Const, 0x07,
 kExprI32Clz,
 kExprI32Clz,
 kExprI32Clz,
@@ -407,7 +407,7 @@ kExprNop,
 kExprI64DivU,
 kExprUnreachable,
 kExprI32GeS,
-kExprI8Const, 0xcb,
+kExprI32Const, 0x0b,
             ])
             .exportFunc();
   var module = builder.instantiate();