Fix assertion failure due to too many deoptimization ids.

src/mips/lithium-codegen-mips.cc

Index: src/mips/lithium-codegen-mips.cc
===================================================================
--- src/mips/lithium-codegen-mips.cc	(revision 11090)
+++ src/mips/lithium-codegen-mips.cc	(working copy)
@@ -612,7 +612,6 @@
   ASSERT(environment->HasBeenRegistered());
   int id = environment->deoptimization_index();
   Address entry = Deoptimizer::GetDeoptimizationEntry(id, Deoptimizer::EAGER);
-  ASSERT(entry != NULL);
   if (entry == NULL) {
     Abort("bailout was not prepared");
     return;