--- src/third_party/mozjs-60/platform/aarch64/freebsd/build/Unified_cpp_js_src12.cpp.orig	2019-11-14 10:50:10 UTC
+++ src/third_party/mozjs-60/platform/aarch64/freebsd/build/Unified_cpp_js_src12.cpp
@@ -0,0 +1,55 @@
+#define MOZ_UNIFIED_BUILD
+#include "jit/BaselineFrameInfo.cpp"
+#ifdef PL_ARENA_CONST_ALIGN_MASK
+#error "jit/BaselineFrameInfo.cpp uses PL_ARENA_CONST_ALIGN_MASK, so it cannot be built in unified mode."
+#undef PL_ARENA_CONST_ALIGN_MASK
+#endif
+#ifdef INITGUID
+#error "jit/BaselineFrameInfo.cpp defines INITGUID, so it cannot be built in unified mode."
+#undef INITGUID
+#endif
+#include "jit/BaselineIC.cpp"
+#ifdef PL_ARENA_CONST_ALIGN_MASK
+#error "jit/BaselineIC.cpp uses PL_ARENA_CONST_ALIGN_MASK, so it cannot be built in unified mode."
+#undef PL_ARENA_CONST_ALIGN_MASK
+#endif
+#ifdef INITGUID
+#error "jit/BaselineIC.cpp defines INITGUID, so it cannot be built in unified mode."
+#undef INITGUID
+#endif
+#include "jit/BaselineInspector.cpp"
+#ifdef PL_ARENA_CONST_ALIGN_MASK
+#error "jit/BaselineInspector.cpp uses PL_ARENA_CONST_ALIGN_MASK, so it cannot be built in unified mode."
+#undef PL_ARENA_CONST_ALIGN_MASK
+#endif
+#ifdef INITGUID
+#error "jit/BaselineInspector.cpp defines INITGUID, so it cannot be built in unified mode."
+#undef INITGUID
+#endif
+#include "jit/BaselineJIT.cpp"
+#ifdef PL_ARENA_CONST_ALIGN_MASK
+#error "jit/BaselineJIT.cpp uses PL_ARENA_CONST_ALIGN_MASK, so it cannot be built in unified mode."
+#undef PL_ARENA_CONST_ALIGN_MASK
+#endif
+#ifdef INITGUID
+#error "jit/BaselineJIT.cpp defines INITGUID, so it cannot be built in unified mode."
+#undef INITGUID
+#endif
+#include "jit/BitSet.cpp"
+#ifdef PL_ARENA_CONST_ALIGN_MASK
+#error "jit/BitSet.cpp uses PL_ARENA_CONST_ALIGN_MASK, so it cannot be built in unified mode."
+#undef PL_ARENA_CONST_ALIGN_MASK
+#endif
+#ifdef INITGUID
+#error "jit/BitSet.cpp defines INITGUID, so it cannot be built in unified mode."
+#undef INITGUID
+#endif
+#include "jit/BytecodeAnalysis.cpp"
+#ifdef PL_ARENA_CONST_ALIGN_MASK
+#error "jit/BytecodeAnalysis.cpp uses PL_ARENA_CONST_ALIGN_MASK, so it cannot be built in unified mode."
+#undef PL_ARENA_CONST_ALIGN_MASK
+#endif
+#ifdef INITGUID
+#error "jit/BytecodeAnalysis.cpp defines INITGUID, so it cannot be built in unified mode."
+#undef INITGUID
+#endif
\ No newline at end of file
