Update Assembler::TryAllocate to support inline allocation tracing

runtime/vm/assembler_arm.h

Index: runtime/vm/assembler_arm.h
diff --git a/runtime/vm/assembler_arm.h b/runtime/vm/assembler_arm.h
index f3d95838385aeee9b239b10bff686a02d1798820..4301677a105b0247a0b034c71a678c8348acc1a0 100644
--- a/runtime/vm/assembler_arm.h
+++ b/runtime/vm/assembler_arm.h
@@ -910,8 +910,7 @@ class Assembler : public ValueObject {
   // allocation stats. These are separate assembler macros so we can
   // avoid a dependent load too nearby the load of the table address.
   void LoadAllocationStatsAddress(Register dest,
-                                  intptr_t cid,
-                                  Heap::Space space);
+                                  intptr_t cid);
   void IncrementAllocationStats(Register stats_addr,
                                 intptr_t cid,
                                 Heap::Space space);
@@ -935,6 +934,12 @@ class Assembler : public ValueObject {
                                     Register array,
                                     Register index);
 
+  // If allocation tracing for |cid| is enabled, will jump to |trace| label,
+  // which will allocate in the runtime where tracing occurs.
+  void MaybeTraceAllocation(intptr_t cid,
+                            Register temp_reg,
+                            Label* trace);
+
   // Inlined allocation of an instance of class 'cls', code has no runtime
   // calls. Jump to 'failure' if the instance cannot be allocated here.
   // Allocated instance is returned in 'instance_reg'.