--- src/third_party/mozjs-60/platform/aarch64/freebsd/build/Unified_cpp_js_src19.cpp.orig	2019-11-14 10:50:10 UTC
+++ src/third_party/mozjs-60/platform/aarch64/freebsd/build/Unified_cpp_js_src19.cpp
@@ -0,0 +1,55 @@
+#define MOZ_UNIFIED_BUILD
+#include "jit/MacroAssembler.cpp"
+#ifdef PL_ARENA_CONST_ALIGN_MASK
+#error "jit/MacroAssembler.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/MacroAssembler.cpp defines INITGUID, so it cannot be built in unified mode."
+#undef INITGUID
+#endif
+#include "jit/MoveResolver.cpp"
+#ifdef PL_ARENA_CONST_ALIGN_MASK
+#error "jit/MoveResolver.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/MoveResolver.cpp defines INITGUID, so it cannot be built in unified mode."
+#undef INITGUID
+#endif
+#include "jit/OptimizationTracking.cpp"
+#ifdef PL_ARENA_CONST_ALIGN_MASK
+#error "jit/OptimizationTracking.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/OptimizationTracking.cpp defines INITGUID, so it cannot be built in unified mode."
+#undef INITGUID
+#endif
+#include "jit/PerfSpewer.cpp"
+#ifdef PL_ARENA_CONST_ALIGN_MASK
+#error "jit/PerfSpewer.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/PerfSpewer.cpp defines INITGUID, so it cannot be built in unified mode."
+#undef INITGUID
+#endif
+#include "jit/ProcessExecutableMemory.cpp"
+#ifdef PL_ARENA_CONST_ALIGN_MASK
+#error "jit/ProcessExecutableMemory.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/ProcessExecutableMemory.cpp defines INITGUID, so it cannot be built in unified mode."
+#undef INITGUID
+#endif
+#include "jit/RangeAnalysis.cpp"
+#ifdef PL_ARENA_CONST_ALIGN_MASK
+#error "jit/RangeAnalysis.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/RangeAnalysis.cpp defines INITGUID, so it cannot be built in unified mode."
+#undef INITGUID
+#endif
\ No newline at end of file
