Merge from gnulib

This incorporates:
2017-01-09 maint: time stamp -> timestamp
2017-01-07 stdioext: Port to Minix 3.2 and newer
2017-01-06 glob, intprops, xalloc: work around Clang bug
2017-01-02 revert copyright-year change to synced files
* doc/misc/texinfo.tex, lib/fpending.c, lib/intprops.h, lib/mktime.c:
* lib/stat-time.h, lib/stdio-impl.h, lib/time.in.h, lib/timespec.h:
* lib/utimens.c, lib/xalloc-oversized.h:
Copy from gnulib.

1 files changed, 2 insertions, 8 deletions

diff --git a/lib/intprops.h b/lib/intprops.h
index e0c178fea8e..85ed61f8d8c 100644
--- a/lib/intprops.h
+++ b/lib/intprops.h
@@ -23,10 +23,6 @@
 #include <limits.h>
 #include <verify.h>
 
-#ifndef __has_builtin
-# define __has_builtin(x) 0
-#endif
-
 /* Return a value with the common real type of E and V and the value of V.  */
 #define _GL_INT_CONVERT(e, v) (0 * (e) + (v))
 
@@ -241,12 +237,10 @@ verify (TYPE_WIDTH (unsigned int) == UINT_WIDTH);
    : (max) >> (b) < (a))
 
 /* True if __builtin_add_overflow (A, B, P) works when P is non-null.  */
-#define _GL_HAS_BUILTIN_OVERFLOW \
-  (5 <= __GNUC__ || __has_builtin (__builtin_add_overflow))
+#define _GL_HAS_BUILTIN_OVERFLOW (5 <= __GNUC__)
 
 /* True if __builtin_add_overflow_p (A, B, C) works.  */
-#define _GL_HAS_BUILTIN_OVERFLOW_P \
-  (7 <= __GNUC__ || __has_builtin (__builtin_add_overflow_p))
+#define _GL_HAS_BUILTIN_OVERFLOW_P (7 <= __GNUC__)
 
 /* The _GL*_OVERFLOW macros have the same restrictions as the
    *_RANGE_OVERFLOW macros, except that they do not assume that operands