[Bug stdio/13775] New: dprintf and vdprintf are undefined if -D_GNU_SOURCE

["msm at freescale dot com" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=13775

             Bug #: 13775
           Summary: dprintf and vdprintf are undefined if -D_GNU_SOURCE
           Product: glibc
           Version: 2.13
            Status: NEW
          Severity: normal
          Priority: P2
         Component: stdio
        AssignedTo: unassigned@sourceware.org
        ReportedBy: msm@freescale.com
    Classification: Unclassified


See the following errors:

# gcc -o test -D_GNU_SOURCE  test.c    
In file included from /usr/include/stdio.h:933:0,
                 from test.c:1:
/usr/include/bits/stdio-ldbl.h:67:1: error: 'vdprintf' undeclared here (not in
a function)
/usr/include/bits/stdio-ldbl.h:68:1: error: 'dprintf' undeclared here (not in a
function)
test.c: In function 'main':
test.c:9:16: error: called object 'dprintf' is not a function

Seems to be related to in appropriate ifdef. Full test case below:

https://gist.github.com/1927104

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