--- src/third_party/mozjs-45/SConscript.orig	2017-09-07 19:28:48 UTC
+++ src/third_party/mozjs-45/SConscript
@@ -93,7 +93,6 @@ env.Prepend(CPPPATH=[
 sources = [
     "extract/js/src/builtin/RegExp.cpp",
     "extract/js/src/frontend/Parser.cpp",
-    "extract/js/src/jit/ProcessExecutableMemory.cpp",
     "extract/js/src/jsarray.cpp",
     "extract/js/src/jsatom.cpp",
     "extract/js/src/jsmath.cpp",
@@ -108,6 +107,7 @@ sources = [
 
 if env['TARGET_ARCH'] == 'x86_64' and not env.TargetOSIs('solaris'):
     sources.extend([
+        "extract/js/src/jit/ProcessExecutableMemory.cpp",
         "extract/js/src/jit/x86-shared/Disassembler-x86-shared.cpp",
     ])