Hello,

the attached patch fixes PR 55539 (4.8 regression). Regtested on
x86_64-unknown-linux-gnu, Ok for trunk?


2012-12-15  Janne Blomqvist  <j...@gcc.gnu.org>

        PR fortran/55539
        * io/write_float.def (output_float): Take into account decimal dot.


testsuite ChangeLog:

2012-12-15  Janne Blomqvist  <j...@gcc.gnu.org>

        PR fortran/55539
        * gfortran.dg/nosigned_zero_3.f90: New testcase.



-- 
Janne Blomqvist

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Attachment: nosigned_zero_3.f90
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