Remove support for pretenuring as it is not fully implemented and is currently turned on for a very…

runtime/vm/assembler_mips.cc

Index: runtime/vm/assembler_mips.cc
diff --git a/runtime/vm/assembler_mips.cc b/runtime/vm/assembler_mips.cc
index c9c6549c31470ca34b894ac0ba176b58b23f0b58..902d40dc935fbd9a9373af17256e3def800c2b57 100644
--- a/runtime/vm/assembler_mips.cc
+++ b/runtime/vm/assembler_mips.cc
@@ -983,7 +983,7 @@ void Assembler::TryAllocate(const Class& cls,
     // allocation call site.
     MaybeTraceAllocation(cls.id(), temp_reg, failure);
     const intptr_t instance_size = cls.instance_size();
-    Heap::Space space = Heap::SpaceForAllocation(cls.id());
+    Heap::Space space = Heap::kNew;
     lw(temp_reg, Address(THR, Thread::heap_offset()));
     lw(instance_reg, Address(temp_reg, Heap::TopOffset(space)));
     // TODO(koda): Protect against unsigned overflow here.
@@ -1027,7 +1027,7 @@ void Assembler::TryAllocateArray(intptr_t cid,
     MaybeTraceAllocation(cid, temp1, failure);
     Isolate* isolate = Isolate::Current();
     Heap* heap = isolate->heap();
-    Heap::Space space = heap->SpaceForAllocation(cid);
+    Heap::Space space = Heap::kNew;
     lw(temp1, Address(THR, Thread::heap_offset()));
     // Potential new object start.
     lw(instance, Address(temp1, heap->TopOffset(space)));