[Bug bootstrap/56227] Bootstrap failure on MinGW building ggc-page.c

["ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56227

--- Comment #17 from Uros Bizjak <ubizjak at gmail dot com> 2013-02-09 08:17:41 UTC ---
(In reply to comment #16)
> I didn't notice that my backport to 4.7 caused:
> 
> ../../gcc-svn/branches/gcc-4_7-branch/gcc/lto/lto.c:1060:68: warning: format
> ‘%wx’ expects argument of type ‘unsigned int’, but argument 2 has type ‘long
> unsigned int’ [-Wformat]
> 
> However, "%wx" _is_ correct in this case, and it works for 4.8 without
> problems. 
> 
> Joseph, is there some additional magic that has to be added in lto/lto.c for
> %wx to pass the check?

To answer my own question - we have this typedef in output.h:

/* This is a magic identifier which allows GCC to figure out the type
   of HOST_WIDE_INT for %wd specifier checks.  You must issue this
   typedef before using the __asm_fprintf__ format attribute.  */
typedef HOST_WIDE_INT __gcc_host_wide_int__;

I am testing following additional patch:

--cut here--
Index: lto.c
===================================================================
--- lto.c       (revision 195911)
+++ lto.c       (working copy)
@@ -25,6 +25,7 @@
 #include "toplev.h"
 #include "tree.h"
 #include "tree-flow.h"
+#include "output.h"
 #include "diagnostic-core.h"
 #include "tm.h"
 #include "cgraph.h"
--cut here--