Pretenure call new support.

src/arm/full-codegen-arm.cc

Index: src/arm/full-codegen-arm.cc
diff --git a/src/arm/full-codegen-arm.cc b/src/arm/full-codegen-arm.cc
index 691039507fa101337a32c26f947531a7159239dc..eec910a095e3e4138fbbd82a40bad3f2e4c66bc6 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -2903,6 +2903,13 @@ void FullCodeGenerator::VisitCallNew(CallNew* expr) {
   Handle<Object> uninitialized =
       TypeFeedbackInfo::UninitializedSentinel(isolate());
   StoreFeedbackVectorSlot(expr->CallNewFeedbackSlot(), uninitialized);
+  if (FLAG_pretenuring_call_new) {
+    StoreFeedbackVectorSlot(expr->AllocationSiteFeedbackSlot(),
+                            isolate()->factory()->NewAllocationSite());
+    ASSERT(expr->AllocationSiteFeedbackSlot() ==
+           expr->CallNewFeedbackSlot() + 1);
+  }
+
   __ Move(r2, FeedbackVector());
   __ mov(r3, Operand(Smi::FromInt(expr->CallNewFeedbackSlot())));