Change the stack map search to require an exact match.

runtime/vm/flow_graph_allocator.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/flow_graph_allocator.h"
 
 #include "vm/bit_vector.h"
 #include "vm/intermediate_language.h"
 #include "vm/il_printer.h"
 #include "vm/flow_graph_builder.h"
@@ skipping 1077 matching lines @@
       return i;
     }
   }
   spill_slots_.Add(0);
   return spill_slots_.length() - 1;
 }
 
 
 void FlowGraphAllocator::Spill(LiveRange* range) {
   const intptr_t spill_index = AllocateSpillSlotFor(range);
-  ASSERT(spill_slots_[spill_index] < range->Start());
+  ASSERT(spill_slots_[spill_index] <= range->Start());
   spill_slots_[spill_index] = range->End();
   range->set_assigned_location(Location::SpillSlot(spill_index));
   ConvertAllUses(range);
 }
 
 
 intptr_t FlowGraphAllocator::FirstIntersectionWithAllocated(
   Register reg, LiveRange* unallocated) {
   intptr_t intersection = kMaxPosition;
   for (intptr_t i = 0; i < cpu_regs_[reg].length(); i++) {
@@ skipping 493 matching lines @@
 
   if (FLAG_trace_ssa_allocator) {
     OS::Print("-- ir after allocation -------------------------\n");
     FlowGraphPrinter printer(Function::Handle(), block_order_, true);
     printer.PrintBlocks();
   }
 }
 
 
 }  // namespace dart