deps: patch V8 to 6.4.388.46

MylesBorins · BridgeAR · commit 81232320aa09 · 2018-02-17T15:19:52.000+01:00
PR-URL: #18827 Refs: v8/v8@6.4.388.45...6.4.388.46 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Michaël Zasso <targos@protonmail.com>
diff --git a/deps/v8/include/v8-version.h b/deps/v8/include/v8-version.h
@@ -11,7 +11,7 @@
 #define V8_MAJOR_VERSION 6
 #define V8_MINOR_VERSION 4
 #define V8_BUILD_NUMBER 388
-#define V8_PATCH_LEVEL 45
+#define V8_PATCH_LEVEL 46
 
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)
diff --git a/deps/v8/src/heap/spaces.cc b/deps/v8/src/heap/spaces.cc
@@ -351,8 +351,8 @@ void MemoryAllocator::Unmapper::WaitUntilCompleted() {
         CancelableTaskManager::kTaskAborted) {
       pending_unmapping_tasks_semaphore_.Wait();
     }
-    concurrent_unmapping_tasks_active_ = 0;
   }
+  concurrent_unmapping_tasks_active_ = 0;
 }
 
 template <MemoryAllocator::Unmapper::FreeMode mode>

Original file line number	Diff line number	Diff line change
`@@ -351,8 +351,8 @@ void MemoryAllocator::Unmapper::WaitUntilCompleted() {`
`351`	`351`	`CancelableTaskManager::kTaskAborted) {`
`352`	`352`	`pending_unmapping_tasks_semaphore_.Wait();`
`353`	`353`	`}`
`354`		`- concurrent_unmapping_tasks_active_ = 0;`
`355`	`354`	`}`
	`355`	`+ concurrent_unmapping_tasks_active_ = 0;`
`356`	`356`	`}`
`357`	`357`
`358`	`358`	`template <MemoryAllocator::Unmapper::FreeMode mode>`