Add a deoptimization count to each function to limit number of re-compilations.

src/mips/deoptimizer-mips.cc

Index: src/mips/deoptimizer-mips.cc
===================================================================
--- src/mips/deoptimizer-mips.cc	(revision 10399)
+++ src/mips/deoptimizer-mips.cc	(working copy)
@@ -102,6 +102,8 @@
   // Set the code for the function to non-optimized version.
   function->ReplaceCode(function->shared()->code());
 
+  function->shared()->IncrementAndCheckDeoptCount();
+
   if (FLAG_trace_deopt) {
     PrintF("[forced deoptimization: ");
     function->PrintName();