[optimizing] Fix a bug in moving the null check to the user.
When taking the decision to move a null check to the user we did not
verify if the next instruction checks the same object.
Change-Id: I2f4533a4bb18aa4b0b6d5e419f37dcccd60354d2
diff --git a/compiler/optimizing/intrinsics_arm64.cc b/compiler/optimizing/intrinsics_arm64.cc
index d3a4e6c..117d6a4 100644
--- a/compiler/optimizing/intrinsics_arm64.cc
+++ b/compiler/optimizing/intrinsics_arm64.cc
@@ -1007,7 +1007,7 @@
LocationSummary* locations = invoke->GetLocations();
// Note that the null check must have been done earlier.
- DCHECK(!invoke->CanDoImplicitNullCheck());
+ DCHECK(!invoke->CanDoImplicitNullCheckOn(invoke->InputAt(0)));
Register argument = WRegisterFrom(locations->InAt(1));
__ Cmp(argument, 0);