Support unresolved methods in Optimizing

Change-Id: If2da02b50d2fa668cd58f134a005f1752e7746b1
diff --git a/compiler/optimizing/inliner.cc b/compiler/optimizing/inliner.cc
index 12fd1c3..039029a 100644
--- a/compiler/optimizing/inliner.cc
+++ b/compiler/optimizing/inliner.cc
@@ -173,6 +173,10 @@
 }
 
 bool HInliner::TryInline(HInvoke* invoke_instruction) {
+  if (invoke_instruction->IsInvokeUnresolved()) {
+    return false;  // Don't bother to move further if we know the method is unresolved.
+  }
+
   uint32_t method_index = invoke_instruction->GetDexMethodIndex();
   ScopedObjectAccess soa(Thread::Current());
   const DexFile& caller_dex_file = *caller_compilation_unit_.GetDexFile();
@@ -194,6 +198,7 @@
   }
 
   if (resolved_method == nullptr) {
+    // TODO: Can this still happen?
     // Method cannot be resolved if it is in another dex file we do not have access to.
     VLOG(compiler) << "Method cannot be resolved " << PrettyMethod(method_index, caller_dex_file);
     return false;