deps: update V8 to 5.4.500.27

Pick up latest commit from the 5.4-lkgr branch.

deps: edit V8 gitignore to allow trace event copy
deps: update V8 trace event to 315bf1e2d45be7d53346c31cfcc37424a32c30c8
deps: edit V8 gitignore to allow gtest_prod.h copy
deps: update V8 gtest to 6f8a66431cb592dad629028a50b3dd418a408c87

PR-URL: https://github.com/nodejs/node/pull/8317
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/deps/v8/src/compiler/common-node-cache.h b/deps/v8/src/compiler/common-node-cache.h
index 720bc1531d..1f07703e72 100644
--- a/deps/v8/src/compiler/common-node-cache.h
+++ b/deps/v8/src/compiler/common-node-cache.h
@@ -52,6 +52,16 @@ class CommonNodeCache final {
 
   Node** FindHeapConstant(Handle<HeapObject> value);
 
+  Node** FindRelocatableInt32Constant(int32_t value, RelocInfoMode rmode) {
+    return relocatable_int32_constants_.Find(zone(),
+                                             std::make_pair(value, rmode));
+  }
+
+  Node** FindRelocatableInt64Constant(int64_t value, RelocInfoMode rmode) {
+    return relocatable_int64_constants_.Find(zone(),
+                                             std::make_pair(value, rmode));
+  }
+
   // Return all nodes from the cache.
   void GetCachedNodes(ZoneVector<Node*>* nodes);
 
@@ -65,6 +75,8 @@ class CommonNodeCache final {
   IntPtrNodeCache external_constants_;
   Int64NodeCache number_constants_;
   IntPtrNodeCache heap_constants_;
+  RelocInt32NodeCache relocatable_int32_constants_;
+  RelocInt64NodeCache relocatable_int64_constants_;
   Zone* const zone_;
 
   DISALLOW_COPY_AND_ASSIGN(CommonNodeCache);