1 files changed, 12 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/offlineasm/ast.rb b/Source/JavaScriptCore/offlineasm/ast.rb
index 4f0c3fd88..74bccff56 100644
--- a/Source/JavaScriptCore/offlineasm/ast.rb
+++ b/Source/JavaScriptCore/offlineasm/ast.rb
@@ -671,6 +671,10 @@ class Address < Node
         raise "Bad offset for address #{offset.inspect} at #{codeOriginString}" unless offset.is_a? Variable or offset.immediate?
     end
     
+    def withOffset(extraOffset)
+        Address.new(codeOrigin, @base, Immediate.new(codeOrigin, @offset.value + extraOffset))
+    end
+    
     def children
         [@base, @offset]
     end
@@ -727,6 +731,10 @@ class BaseIndex < Node
         end
     end
     
+    def withOffset(extraOffset)
+        BaseIndex.new(codeOrigin, @base, @index, @scale, Immediate.new(codeOrigin, @offset.value + extraOffset))
+    end
+    
     def children
         [@base, @index, @offset]
     end
@@ -764,6 +772,10 @@ class AbsoluteAddress < NoChildren
         @address = address
     end
     
+    def withOffset(extraOffset)
+        AbsoluteAddress.new(codeOrigin, Immediate.new(codeOrigin, @address.value + extraOffset))
+    end
+    
     def dump
         "#{address.dump}[]"
     end