Fix crash during parallel moves.

runtime/vm/locations.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/locations.h"
 
 #include "vm/il_printer.h"
 #include "vm/intermediate_language.h"
 #include "vm/flow_graph_compiler.h"
 
 namespace dart {
 
+LocationSummary::LocationSummary(intptr_t input_count,
+                                 intptr_t temp_count,
+                                 ContainsCall call)
+    : input_locations_(input_count),
+      temp_locations_(temp_count),
+      output_location_(),
+      is_call_(call == kCall) {
+  for (intptr_t i = 0; i < input_count; i++) {
+    input_locations_.Add(Location());
+  }
+  for (intptr_t i = 0; i < temp_count; i++) {
+    temp_locations_.Add(Location());
+  }
+}
+
+
 LocationSummary* LocationSummary::Make(intptr_t input_count,
                                        Location out,
                                        ContainsCall contains_call) {
   LocationSummary* summary = new LocationSummary(input_count,
                                                  0,
                                                  contains_call);
   for (intptr_t i = 0; i < input_count; i++) {
     summary->set_in(i, Location::RequiresRegister());
   }
   summary->set_out(out);
@@ skipping 42 matching lines @@
   if (!out().IsInvalid()) {
     f->Print(" => ");
     f->Print("%s", out().Name());
   }
 
   if (is_call()) f->Print(" C");
 }
 
 }  // namespace dart