[regexp] Remove remainder of native RegExpExecStub

src/mips/simulator-mips.h

Index: src/mips/simulator-mips.h
diff --git a/src/mips/simulator-mips.h b/src/mips/simulator-mips.h
index 2785f913c9feda3e2a1585e95bf8723bc500901d..8dbb092c5cfb345e26b5faed2bfb6ffefe54d2a1 100644
--- a/src/mips/simulator-mips.h
+++ b/src/mips/simulator-mips.h
@@ -36,8 +36,8 @@ typedef int (*mips_regexp_matcher)(String*, int, const byte*, const byte*,
 // 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<mips_regexp_matcher>(entry)(p0, p1, p2, p3, NULL, p4, p5, p6, \
-                                             p7, p8))
+  (FUNCTION_CAST<mips_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 mips uses the C stack, we
@@ -530,9 +530,8 @@ 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, 10, 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