diff --git a/libsanitizer/ChangeLog b/libsanitizer/ChangeLog
index 861502f85aa..eb6a3456e47 100644
--- a/libsanitizer/ChangeLog
+++ b/libsanitizer/ChangeLog
@@ -1,10 +1,16 @@
+2013-02-14  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR bootstrap/56327
+	* interception/interception.h (OFF_T): Merged from upstream
+	r175140.
+
 2013-02-13  Jakub Jelinek  <jakub@redhat.com>
 
 	* asan/asan_mapping.h (SHADOW_OFFSET): Set to (1ULL << 44) on x86-64.
 
 2013-02-13  Kostya Serebryany  <kcc@google.com>
 
-        PR sanitizer/56128
+	PR sanitizer/56128
 	* All source files: Merge from upstream r175049.
 	* interception/Makefile.am: added include path.
 	* interception/Makefile.in: Regenerated.
@@ -15,7 +21,7 @@
 
 2013-01-23  Kostya Serebryany  <kcc@google.com>
 
-        PR sanitizer/55989
+	PR sanitizer/55989
 	* All source files: Merge from upstream r173241.
 	* merge.sh: Support merging .inc files.
 
diff --git a/libsanitizer/interception/interception.h b/libsanitizer/interception/interception.h
index b4c4137e88e..c4c5026c7ed 100644
--- a/libsanitizer/interception/interception.h
+++ b/libsanitizer/interception/interception.h
@@ -28,8 +28,8 @@ typedef __sanitizer::s64  INTMAX_T;
 // WARNING: OFF_T may be different from OS type off_t, depending on the value of
 // _FILE_OFFSET_BITS. This definition of OFF_T matches the ABI of system calls
 // like pread and mmap, as opposed to pread64 and mmap64.
-// Mac is special.
-#ifdef __APPLE__
+// Mac and Linux/x86-64 are special.
+#if defined(__APPLE__) || (defined(__linux__) && defined(__x86_64__))
 typedef __sanitizer::u64 OFF_T;
 #else
 typedef __sanitizer::uptr OFF_T;