--- /dev/null
+https://bugs.gentoo.org/662002
+https://bugs.webkit.org/show_bug.cgi?id=183788
+https://trac.webkit.org/changeset/229282/webkit
+
+Index: /trunk/Source/JavaScriptCore/CMakeLists.txt
+===================================================================
+--- a/Source/JavaScriptCore/CMakeLists.txt (revision 229281)
++++ b/Source/JavaScriptCore/CMakeLists.txt (revision 229282)
+@@ -248,4 +248,5 @@
+ )
+ target_link_libraries(LLIntOffsetsExtractor WTF)
++add_dependencies(LLIntOffsetsExtractor JavaScriptCoreForwardingHeaders)
+
+ # The build system will execute asm.rb every time LLIntOffsetsExtractor's mtime is newer than