diff --git a/Runtimes/Supplemental/StringProcessing/_StringProcessing/CMakeLists.txt b/Runtimes/Supplemental/StringProcessing/_StringProcessing/CMakeLists.txt
index e83958be99861..fe22d459ccecb 100644
--- a/Runtimes/Supplemental/StringProcessing/_StringProcessing/CMakeLists.txt
+++ b/Runtimes/Supplemental/StringProcessing/_StringProcessing/CMakeLists.txt
@@ -42,6 +42,7 @@ add_library(swift_StringProcessing
   Regex/Core.swift
   Regex/ASTConversion.swift
   Regex/DSLTree.swift
+  Regex/DSLList.swift
   Regex/AnyRegexOutput.swift
   LiteralPrinter.swift
   MatchingOptions.swift
@@ -62,6 +63,8 @@ add_library(swift_StringProcessing
   Engine/Metrics.swift
   Engine/MECapture.swift
   ByteCodeGen.swift
+  ByteCodeGen+DSLList.swift
+  Optimizations/AutoPossessification.swift
   Utility/AsciiBitset.swift
   Utility/Traced.swift
   Utility/TypedIndex.swift