Spelling fixes e to i.

runtime/vm/jit_optimizer.cc

 // Copyright (c) 2013, 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.
 #ifndef DART_PRECOMPILED_RUNTIME
 #include "vm/jit_optimizer.h"
 
 #include "vm/bit_vector.h"
 #include "vm/branch_optimizer.h"
 #include "vm/cha.h"
 #include "vm/compiler.h"
@@ skipping 1597 matching lines @@
       field.DeoptimizeDependentCode();
     } else {
       flow_graph()->parsed_function().AddToGuardedFields(&field);
     }
   }
 }
 
 
 void JitOptimizer::VisitAllocateContext(AllocateContextInstr* instr) {
   // Replace generic allocation with a sequence of inlined allocation and
-  // explicit initalizing stores.
+  // explicit initializing stores.
   AllocateUninitializedContextInstr* replacement =
       new AllocateUninitializedContextInstr(instr->token_pos(),
                                             instr->num_context_variables());
   instr->ReplaceWith(replacement, current_iterator());
 
   StoreInstanceFieldInstr* store = new (Z)
       StoreInstanceFieldInstr(Context::parent_offset(), new Value(replacement),
                               new Value(flow_graph_->constant_null()),
                               kNoStoreBarrier, instr->token_pos());
   // Storing into uninitialized memory; remember to prevent dead store
@@ skipping 89 matching lines @@
   // Discard the environment from the original instruction because the store
   // can't deoptimize.
   instr->RemoveEnvironment();
   ReplaceCall(instr, store);
   return true;
 }
 
 
 }  // namespace dart
 #endif  // DART_PRECOMPILED_RUNTIME