[CodeGen] Fix inconsistent declaration parameter name

llvm-svn: 337200
diff --git a/llvm/lib/CodeGen/ImplicitNullChecks.cpp b/llvm/lib/CodeGen/ImplicitNullChecks.cpp
index b3f6e1f..0a447bc 100644
--- a/llvm/lib/CodeGen/ImplicitNullChecks.cpp
+++ b/llvm/lib/CodeGen/ImplicitNullChecks.cpp
@@ -115,7 +115,7 @@
   /// \c canHandle should return true for all instructions in \p
   /// Insts.
   DependenceResult computeDependence(const MachineInstr *MI,
-                                     ArrayRef<MachineInstr *> Insts);
+                                     ArrayRef<MachineInstr *> Block);
 
   /// Represents one null check that can be made implicit.
   class NullCheck {