[wasm] Implement {Compile,Runtime}Error; fix traps from start function

src/factory.cc

 // Copyright 2014 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.
 
 #include "src/factory.h"
 
 #include "src/accessors.h"
 #include "src/allocation-site-scopes.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 1271 matching lines @@
                                     Handle<Object> arg2) {                    \
     return NewError(isolate()->name##_function(), template_index, arg0, arg1, \
                     arg2);                                                    \
   }
 DEFINE_ERROR(Error, error)
 DEFINE_ERROR(EvalError, eval_error)
 DEFINE_ERROR(RangeError, range_error)
 DEFINE_ERROR(ReferenceError, reference_error)
 DEFINE_ERROR(SyntaxError, syntax_error)
 DEFINE_ERROR(TypeError, type_error)
+DEFINE_ERROR(WasmCompileError, wasm_compile_error)
+DEFINE_ERROR(WasmRuntimeError, wasm_runtime_error)
 #undef DEFINE_ERROR
 
 Handle<JSFunction> Factory::NewFunction(Handle<Map> map,
                                         Handle<SharedFunctionInfo> info,
                                         Handle<Object> context_or_undefined,
                                         PretenureFlag pretenure) {
   AllocationSpace space = pretenure == TENURED ? OLD_SPACE : NEW_SPACE;
   Handle<JSFunction> function = New<JSFunction>(map, space);
   DCHECK(context_or_undefined->IsContext() ||
          context_or_undefined->IsUndefined(isolate()));
@@ skipping 1339 matching lines @@
       Handle<JSFixedArrayIterator>::cast(NewJSObjectFromMap(map));
   iterator->set_initial_next(*next);
   iterator->set_array(*array);
   iterator->set_index(0);
   iterator->InObjectPropertyAtPut(JSFixedArrayIterator::kNextIndex, *next);
   return iterator;
 }
 
 }  // namespace internal
 }  // namespace v8