fix x32 handling of Atomic64
The x32 logic for the size of Atomic64 handles NaCL, but misses
the Linux case. Check the standard __ILP32__ to handle that too.
BUG=chromium-os:36866
TEST=compiled the code for x86_64 (64bit) & x86_64 (x32)
Review URL: https://chromiumcodereview.appspot.com/12186005
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@181114 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/base/atomicops.h b/base/atomicops.h
index 13fb7e4..27a8714 100644
--- a/base/atomicops.h
+++ b/base/atomicops.h
@@ -47,7 +47,7 @@
#ifdef ARCH_CPU_64_BITS
// We need to be able to go between Atomic64 and AtomicWord implicitly. This
// means Atomic64 and AtomicWord should be the same type on 64-bit.
-#if defined(OS_NACL)
+#if defined(__ILP32__) || defined(OS_NACL)
// NaCl's intptr_t is not actually 64-bits on 64-bit!
// http://code.google.com/p/nativeclient/issues/detail?id=1162
typedef int64_t Atomic64;
