commit 841c145e2eb1b44fbaf6a0266181e14b75036266
author Lei Zhang <thestig@chromium.org> Sat Dec 08 01:01:57 2018 +0000
committer Chromium commit bot <commit-bot@chromium.org> Sat Dec 08 01:01:57 2018 +0000
tree 343cb95693ea24c60ebea50ac91ed7abfd8816ad
parent 002e7c26d49fba77524dcfe12b5c05ae51813cd6

Handle empty v8::TryCatch messages in CFXJSE_Context.

Change-Id: I933ede1401cebc83c1f9b75150798bac77af6122
Reviewed-on: https://pdfium-review.googlesource.com/c/46891
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

fxjs/cfxjse_context.cpp

diff --git a/fxjs/cfxjse_context.cpp b/fxjs/cfxjse_context.cpp
index e80d0c9..8f490b1 100644
--- a/fxjs/cfxjse_context.cpp
+++ b/fxjs/cfxjse_context.cpp
@@ -61,9 +61,12 @@
   if (!trycatch->HasCaught())
     return hReturnValue;
 
+  v8::Local<v8::Message> hMessage = trycatch->Message();
+  if (hMessage.IsEmpty())
+    return hReturnValue;
+
   v8::Local<v8::Context> context = pIsolate->GetCurrentContext();
   v8::Local<v8::Value> hException = trycatch->Exception();
-  v8::Local<v8::Message> hMessage = trycatch->Message();
   if (hException->IsObject()) {
     v8::Local<v8::String> hNameStr =
         v8::String::NewFromUtf8(pIsolate, "name", v8::NewStringType::kNormal)