Instrumented local variables and implemented runtime.

BUG=https://bugs.chromium.org/p/nativeclient/issues/detail?id=4374
R=kschimpf@google.com

Review URL: https://codereview.chromium.org/2095763002 .
diff --git a/src/IceCfg.h b/src/IceCfg.h
index e3f29c7..c656961 100644
--- a/src/IceCfg.h
+++ b/src/IceCfg.h
@@ -295,7 +295,7 @@
     BVT_FramePointer,
     BVT_UserPointer
   };
-  void sortAndCombineAllocas(CfgVector<Inst *> &Allocas,
+  void sortAndCombineAllocas(CfgVector<InstAlloca *> &Allocas,
                              uint32_t CombinedAlignment, InstList &Insts,
                              AllocaBaseVariableType BaseVariableType);
   void findRematerializable();