[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_arm.cc b/compiler/optimizing/intrinsics_arm.cc
index 9a6062f..932192e 100644
--- a/compiler/optimizing/intrinsics_arm.cc
+++ b/compiler/optimizing/intrinsics_arm.cc
@@ -863,7 +863,7 @@
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 = locations->InAt(1).AsRegister<Register>();
__ cmp(argument, ShifterOperand(0));