Workaround for invalid monitor-exit catch ranges.

Avoid bogus exception edges from monitor-exit to a
catch handler that does exactly the same monitor-exit.

Bug: 15745363
Change-Id: I2b8b44b313c470557714744bdfb7beaef2cd2246
diff --git a/compiler/dex/mir_graph.h b/compiler/dex/mir_graph.h
index 398c7f6..f812165 100644
--- a/compiler/dex/mir_graph.h
+++ b/compiler/dex/mir_graph.h
@@ -1063,6 +1063,7 @@
   BasicBlock* FindBlock(DexOffset code_offset, bool split, bool create,
                         BasicBlock** immed_pred_block_p);
   void ProcessTryCatchBlocks();
+  bool IsBadMonitorExitCatch(NarrowDexOffset monitor_exit_offset, NarrowDexOffset catch_offset);
   BasicBlock* ProcessCanBranch(BasicBlock* cur_block, MIR* insn, DexOffset cur_offset, int width,
                                int flags, const uint16_t* code_ptr, const uint16_t* code_end);
   BasicBlock* ProcessCanSwitch(BasicBlock* cur_block, MIR* insn, DexOffset cur_offset, int width,