Revert "Revert "Upgrade to 5.0.71.48"" DO NOT MERGE
This reverts commit f2e3994fa5148cc3d9946666f0b0596290192b0e,
and updates the x64 makefile properly so it doesn't break that
build.
FPIIM-449
Change-Id: Ib83e35bfbae6af627451c926a9650ec57c045605
(cherry picked from commit 109988c7ccb6f3fd1a58574fa3dfb88beaef6632)
diff --git a/src/base/atomicops.h b/src/base/atomicops.h
index 3e628fe..ea33e48 100644
--- a/src/base/atomicops.h
+++ b/src/base/atomicops.h
@@ -157,6 +157,8 @@
#include "src/base/atomicops_internals_mips_gcc.h"
#elif defined(__GNUC__) && V8_HOST_ARCH_MIPS64
#include "src/base/atomicops_internals_mips64_gcc.h"
+#elif defined(__GNUC__) && V8_HOST_ARCH_S390
+#include "src/base/atomicops_internals_s390_gcc.h"
#else
#error "Atomic operations are not supported on your platform"
#endif