Use HCurrentMethod in HInvokeStaticOrDirect.

Change-Id: I0d15244b6b44c8b10079398c55da5071a3e3af66
diff --git a/compiler/optimizing/code_generator_x86_64.h b/compiler/optimizing/code_generator_x86_64.h
index c19e686..61f863c 100644
--- a/compiler/optimizing/code_generator_x86_64.h
+++ b/compiler/optimizing/code_generator_x86_64.h
@@ -277,7 +277,7 @@
     return false;
   }
 
-  void GenerateStaticOrDirectCall(HInvokeStaticOrDirect* invoke, CpuRegister temp);
+  void GenerateStaticOrDirectCall(HInvokeStaticOrDirect* invoke, Location temp);
 
   const X86_64InstructionSetFeatures& GetInstructionSetFeatures() const {
     return isa_features_;