1 files changed, 10 insertions, 0 deletions
diff --git a/deps/v8/src/compiler/allocation-builder.h b/deps/v8/src/compiler/allocation-builder.h
index a0ba02cd33..86fea33090 100644
--- a/deps/v8/src/compiler/allocation-builder.h
+++ b/deps/v8/src/compiler/allocation-builder.h
@@ -48,6 +48,16 @@ class AllocationBuilder final {
                                index, value, effect_, control_);
   }
 
+  // Compound allocation of a context.
+  void AllocateContext(int length, Handle<Map> map) {
+    DCHECK(map->instance_type() >= BLOCK_CONTEXT_TYPE &&
+           map->instance_type() <= WITH_CONTEXT_TYPE);
+    int size = FixedArray::SizeFor(length);
+    Allocate(size, NOT_TENURED, Type::OtherInternal());
+    Store(AccessBuilder::ForMap(), map);
+    Store(AccessBuilder::ForFixedArrayLength(), jsgraph()->Constant(length));
+  }
+
   // Compound allocation of a FixedArray.
   void AllocateArray(int length, Handle<Map> map,
                      PretenureFlag pretenure = NOT_TENURED) {