Allow passing flags to Runtime_AllocateInTargetSpace.

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index 207dd8cdaa40550343a1d7a7a31fc6ff5bbc5bc7..5630c45cbb89286e6f2010c76e97b1940b311968 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -5473,19 +5473,22 @@ void LCodeGen::DoDeferredAllocate(LAllocate* instr) {
     __ Push(Smi::FromInt(size));
   }
 
+  int flags = AllocateDoubleAlignFlag::encode(
+      instr->hydrogen()->MustAllocateDoubleAligned());
   if (instr->hydrogen()->IsOldPointerSpaceAllocation()) {
     ASSERT(!instr->hydrogen()->IsOldDataSpaceAllocation());
     ASSERT(!instr->hydrogen()->IsNewSpaceAllocation());
-    CallRuntimeFromDeferred(Runtime::kAllocateInOldPointerSpace, 1, instr,
-                            instr->context());
+    flags = AllocateTargetSpace::update(flags, OLD_POINTER_SPACE);
   } else if (instr->hydrogen()->IsOldDataSpaceAllocation()) {
     ASSERT(!instr->hydrogen()->IsNewSpaceAllocation());
-    CallRuntimeFromDeferred(Runtime::kAllocateInOldDataSpace, 1, instr,
-                            instr->context());
+    flags = AllocateTargetSpace::update(flags, OLD_DATA_SPACE);
   } else {
-    CallRuntimeFromDeferred(Runtime::kAllocateInNewSpace, 1, instr,
-                            instr->context());
+    flags = AllocateTargetSpace::update(flags, NEW_SPACE);
   }
+  __ Push(Smi::FromInt(flags));
+
+  CallRuntimeFromDeferred(
+      Runtime::kAllocateInTargetSpace, 2, instr, instr->context());
   __ StoreToSafepointRegisterSlot(r0, result);
 }