[regexp] Remove remainder of native RegExpExecStub

src/arm/simulator-arm.h

Index: src/arm/simulator-arm.h
diff --git a/src/arm/simulator-arm.h b/src/arm/simulator-arm.h
index f5ebf219cbf26260949137ac0f2319051eb2aee7..9c92c96830e4ae9a22e9011ff75127d9035a647c 100644
--- a/src/arm/simulator-arm.h
+++ b/src/arm/simulator-arm.h
@@ -27,18 +27,14 @@ namespace internal {
 #define CALL_GENERATED_CODE(isolate, entry, p0, p1, p2, p3, p4) \
   (entry(p0, p1, p2, p3, p4))
 
-typedef int (*arm_regexp_matcher)(String*, int, const byte*, const byte*,
-                                  void*, int*, int, Address, int, Isolate*);
-
+typedef int (*arm_regexp_matcher)(String*, int, const byte*, const byte*, int*,
+                                  int, Address, int, Isolate*);
 
 // Call the generated regexp code directly. The code at the entry address
 // should act as a function matching the type arm_regexp_matcher.
-// The fifth argument is a dummy that reserves the space used for
-// the return address added by the ExitFrame in native calls.
 #define CALL_GENERATED_REGEXP_CODE(isolate, entry, p0, p1, p2, p3, p4, p5, p6, \
                                    p7, p8)                                     \
-  (FUNCTION_CAST<arm_regexp_matcher>(entry)(p0, p1, p2, p3, NULL, p4, p5, p6,  \
-                                            p7, p8))
+  (FUNCTION_CAST<arm_regexp_matcher>(entry)(p0, p1, p2, p3, p4, p5, p6, p7, p8))
 
 // The stack limit beyond which we will throw stack overflow errors in
 // generated code. Because generated code on arm uses the C stack, we
@@ -549,9 +545,8 @@ class Simulator {
 
 #define CALL_GENERATED_REGEXP_CODE(isolate, entry, p0, p1, p2, p3, p4, p5, p6, \
                                    p7, p8)                                     \
-  Simulator::current(isolate)                                                  \
-      ->Call(entry, 10, p0, p1, p2, p3, NULL, p4, p5, p6, p7, p8)
-
+  Simulator::current(isolate)->Call(entry, 9, p0, p1, p2, p3, p4, p5, p6, p7,  \
+                                    p8)
 
 // The simulator has its own stack. Thus it has a different stack limit from
 // the C-based native code.  The JS-based limit normally points near the end of