Fix non-simulated ARM calling of RegExp code.

src/x64/simulator-x64.h

Index: src/x64/simulator-x64.h
diff --git a/src/x64/simulator-x64.h b/src/x64/simulator-x64.h
index e607c8b87d027b463e2b265a24d1416328e4b24c..3a62ffd5c3a3c0fcc3a80a6565f31999e726b04d 100644
--- a/src/x64/simulator-x64.h
+++ b/src/x64/simulator-x64.h
@@ -39,10 +39,13 @@ namespace internal {
 #define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4) \
   (entry(p0, p1, p2, p3, p4))
 
-// Call the generated regexp code directly. The entry function pointer should
+typedef int (*regexp_matcher)(String*, int, const byte*,
+                              const byte*, int*, Address, int);
+
+// Call the generated regexp code directly. The code at the entry address should
 // expect seven int/pointer sized arguments and return an int.
 #define CALL_GENERATED_REGEXP_CODE(entry, p0, p1, p2, p3, p4, p5, p6) \
-  (entry(p0, p1, p2, p3, p4, p5, p6))
+  (FUNCTION_CAST<regexp_matcher>(entry)(p0, p1, p2, p3, p4, p5, p6))
 
 #define TRY_CATCH_FROM_ADDRESS(try_catch_address) \
   (reinterpret_cast<TryCatch*>(try_catch_address))