From 524420d28903e8b8c35c9e942ad79f38a2e20dde Mon Sep 17 00:00:00 2001 From: Stefan Monnier Date: Tue, 3 Nov 2009 21:12:15 +0000 Subject: [PATCH] (XPNTR) [USE_LSB_TAG && USE_LISP_UNION_TYPE]: silence compiler. --- src/lisp.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/lisp.h b/src/lisp.h index 4bf3d392811..19950f79055 100644 --- a/src/lisp.h +++ b/src/lisp.h @@ -427,7 +427,10 @@ enum pvec_type (var).u.val = ((EMACS_UINT) (ptr)) >> GCTYPEBITS, \ (var).u.type = ((char) (vartype))) -# define XPNTR(v) (((v).s.val) << GCTYPEBITS) +/* Some versions of gcc seem to consider the bitfield width when issuing + the "cast to pointer from integer of different size" warning, so the + cast is here to widen the value back to its natural size. */ +# define XPNTR(v) ((EMACS_INT)((v).s.val) << GCTYPEBITS) #else /* !USE_LSB_TAG */ -- 2.39.2