[stubs] Add RegExpReplace and RegExpSplit stubs

src/interface-descriptors.h

Index: src/interface-descriptors.h
diff --git a/src/interface-descriptors.h b/src/interface-descriptors.h
index 23153fc92515d7f5b63b2e41c0a02e30d6cc342e..0723f9bc24c53f86f9cdfc1ca5a2a2c5b4e3a286 100644
--- a/src/interface-descriptors.h
+++ b/src/interface-descriptors.h
@@ -52,6 +52,8 @@ class PlatformInterfaceDescriptor;
   V(ConstructStub)                        \
   V(ConstructTrampoline)                  \
   V(RegExpExec)                           \
+  V(RegExpReplace)                        \
+  V(RegExpSplit)                          \
   V(CopyFastSmiOrObjectElements)          \
   V(TransitionElementsKind)               \
   V(AllocateHeapNumber)                   \
@@ -622,6 +624,20 @@ class RegExpExecDescriptor : public CallInterfaceDescriptor {
                                      CallInterfaceDescriptor)
 };
 
+class RegExpReplaceDescriptor : public CallInterfaceDescriptor {
+ public:
+  DEFINE_PARAMETERS(kReceiver, kString, kReplaceValue)
+  DECLARE_DEFAULT_DESCRIPTOR(RegExpReplaceDescriptor, CallInterfaceDescriptor,
+                             kParameterCount)
+};
+
+class RegExpSplitDescriptor : public CallInterfaceDescriptor {
+ public:
+  DEFINE_PARAMETERS(kReceiver, kString, kLimit)
+  DECLARE_DEFAULT_DESCRIPTOR(RegExpSplitDescriptor, CallInterfaceDescriptor,
+                             kParameterCount)
+};
+
 class CopyFastSmiOrObjectElementsDescriptor : public CallInterfaceDescriptor {
  public:
   DEFINE_PARAMETERS(kObject)