[MIPS] New pattern in validator to detect jumps/branches in delay slots.

src/trusted/validator_mips/validator.h

Index: src/trusted/validator_mips/validator.h
diff --git a/src/trusted/validator_mips/validator.h b/src/trusted/validator_mips/validator.h
index 7c8d382e3ccf395c2241c81c24e2d1b5fe9b43ef..9f426a472c4e6bf959d104903415a8738a7fe4d1 100644
--- a/src/trusted/validator_mips/validator.h
+++ b/src/trusted/validator_mips/validator.h
@@ -391,7 +391,8 @@ const char * const kProblemUnalignedJumpToTrampoline =
     "kProblemUnalignedJumpToTrampoline";
 // A jump register instruction is not guarded.
 const char * const kProblemUnsafeJumpRegister = "kProblemUnsafeJumpRegister";
-
+// Two consecutive branches/jumps. Branch/jump in the delay slot.
+const char * const kProblemBranchInDelaySlot = "kProblemBranchInDelaySlot";
 }  // namespace
 
 #endif  // NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_MIPS_VALIDATOR_H