Do a type check for knowing if we can inline.

Otherwise, we might successfully inline:
((String)nonStringObject).charAt()

Because the lookup of the method is based on the index of charAt,
and not its name.

Change-Id: I72ce802fd50cfb71343197f0a32bb1ef56549097

1 files changed, 3 insertions, 0 deletions

diff --git a/compiler/optimizing/inliner.cc b/compiler/optimizing/inliner.cc
index ea613b2b01..07d0dd6b49 100644
--- a/compiler/optimizing/inliner.cc
+++ b/compiler/optimizing/inliner.cc
@@ -120,6 +120,9 @@ static ArtMethod* FindVirtualOrInterfaceTarget(HInvoke* invoke, ArtMethod* resol
     // Statically knowing that the receiver has an interface type cannot
     // help us find what is the target method.
     return nullptr;
+  } else if (!resolved_method->GetDeclaringClass()->IsAssignableFrom(info.GetTypeHandle().Get())) {
+    // The method that we're trying to call is not in the receiver's class or super classes.
+    return nullptr;
   }
 
   ClassLinker* cl = Runtime::Current()->GetClassLinker();