WIP: wasm oob trap handling experiments

src/runtime/runtime-internal.cc

Index: src/runtime/runtime-internal.cc
diff --git a/src/runtime/runtime-internal.cc b/src/runtime/runtime-internal.cc
index db2aa01ea8db022d2c35bc7259783dc78d08eec2..ddb1ba67c38f2ac8d9f05db0c2c86c604a1a0a32 100644
--- a/src/runtime/runtime-internal.cc
+++ b/src/runtime/runtime-internal.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "src/runtime/runtime-utils.h"
+#include <setjmp.h>
 
 #include <memory>
 
@@ -16,6 +16,7 @@
 #include "src/messages.h"
 #include "src/parsing/parse-info.h"
 #include "src/parsing/parser.h"
+#include "src/runtime/runtime-utils.h"
 #include "src/wasm/wasm-module.h"
 
 namespace v8 {
@@ -86,14 +87,12 @@ RUNTIME_FUNCTION(Runtime_Throw) {
   return isolate->Throw(args[0]);
 }
 
-
 RUNTIME_FUNCTION(Runtime_ReThrow) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   return isolate->ReThrow(args[0]);
 }
 
-
 RUNTIME_FUNCTION(Runtime_ThrowStackOverflow) {
   SealHandleScope shs(isolate);
   DCHECK_LE(0, args.length());
@@ -110,7 +109,7 @@ RUNTIME_FUNCTION(Runtime_ThrowWasmError) {
 
   // For wasm traps, the byte offset (a.k.a source position) can not be
   // determined from relocation info, since the explicit checks for traps
-  // converge in one singe block which calls this runtime function.
+  // converge in one single block which calls this runtime function.
   // We hence pass the byte offset explicitely, and patch it into the top-most
   // frame (a wasm frame) on the collected stack trace.
   // TODO(wasm): This implementation is temporary, see bug #5007: