deps: upgrade V8 to 5.0.71.32

* Pick up the branch head for V8 5.0 stable [1]
* Edit v8 gitignore to allow trace_event copy
* Update V8 DEP trace_event as per deps/v8/DEPS [2]

[1] https://chromium.googlesource.com/v8/v8.git/+/3c67831
[2] https://chromium.googlesource.com/chromium/src/base/trace_event/common/+/4b09207e447ae5bd34643b4c6321bee7b76d35f9

Ref: https://github.com/nodejs/node/pull/5945
PR-URL: https://github.com/nodejs/node/pull/6111
Reviewed-By: targos - Michaël Zasso <mic.besace@gmail.com>
Reviewed-By: bnoordhuis - Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: indutny - Fedor Indutny <fedor.indutny@gmail.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/deps/v8/src/d8.cc b/deps/v8/src/d8.cc
index bd98b93dae..7c9a24f520 100644
--- a/deps/v8/src/d8.cc
+++ b/deps/v8/src/d8.cc
@@ -31,6 +31,7 @@
 #endif
 
 #include "src/d8.h"
+#include "src/ostreams.h"
 
 #include "include/libplatform/libplatform.h"
 #ifndef V8_SHARED
@@ -371,6 +372,7 @@ bool Shell::ExecuteString(Isolate* isolate, Local<String> source,
                           bool report_exceptions, SourceType source_type) {
   HandleScope handle_scope(isolate);
   TryCatch try_catch(isolate);
+  try_catch.SetVerbose(true);
 
   MaybeLocal<Value> maybe_result;
   {
@@ -1243,6 +1245,10 @@ Local<ObjectTemplate> Shell::CreateGlobalTemplate(Isolate* isolate) {
   return global_template;
 }
 
+static void EmptyMessageCallback(Local<Message> message, Local<Value> error) {
+  // Nothing to be done here, exceptions thrown up to the shell will be reported
+  // separately by {Shell::ReportException} after they are caught.
+}
 
 void Shell::Initialize(Isolate* isolate) {
 #ifndef V8_SHARED
@@ -1250,6 +1256,8 @@ void Shell::Initialize(Isolate* isolate) {
   if (i::StrLength(i::FLAG_map_counters) != 0)
     MapCounters(isolate, i::FLAG_map_counters);
 #endif  // !V8_SHARED
+  // Disable default message reporting.
+  isolate->AddMessageListener(EmptyMessageCallback);
 }