Win64 - Allow returning two values from a runtime function.

src/arm/macro-assembler-arm.h

Index: src/arm/macro-assembler-arm.h
diff --git a/src/arm/macro-assembler-arm.h b/src/arm/macro-assembler-arm.h
index 381f3b34a761b017c6bffbc7aaa64487d7ed51c8..aa4bef93f8579cbc32ea68888c591b14a653e886 100644
--- a/src/arm/macro-assembler-arm.h
+++ b/src/arm/macro-assembler-arm.h
@@ -282,7 +282,9 @@ class MacroAssembler: public Assembler {
   // Tail call of a runtime routine (jump).
   // Like JumpToBuiltin, but also takes care of passing the number
   // of parameters.
-  void TailCallRuntime(const ExternalReference& ext, int num_arguments);
+  void TailCallRuntime(const ExternalReference& ext,
+                       int num_arguments,
+                       int result_size);
 
   // Jump to the builtin routine.
   void JumpToBuiltin(const ExternalReference& builtin);