Revert of [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 53c0f239fca5dc9b4151254c734c107d1d573248..2785f913c9feda3e2a1585e95bf8723bc500901d 100644
--- a/src/mips/simulator-mips.h
+++ b/src/mips/simulator-mips.h
@@ -32,10 +32,12 @@
 
 // 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<mips_regexp_matcher>(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))
 
 // The stack limit beyond which we will throw stack overflow errors in
 // generated code. Because generated code on mips uses the C stack, we
@@ -528,8 +530,9 @@
 
 #define CALL_GENERATED_REGEXP_CODE(isolate, entry, p0, p1, p2, p3, p4, p5, p6, \
                                    p7, p8)                                     \
-  Simulator::current(isolate)->Call(entry, 9, 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)
+
 
 // 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