[Bug tree-optimization/58721] New: [4.9 Regression] The subroutine perdida is no longer inlined in fatigue.f90

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58721

            Bug ID: 58721
           Summary: [4.9 Regression] The subroutine perdida is no longer
                    inlined in fatigue.f90
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dominiq at lps dot ens.fr
                CC: jh at suse dot cz, rguenther at suse dot de

The subroutine perdida is no longer inlined in fatigue.f90. This occurred
between revisions 201916 and 202776:

[macbook] lin/test% /opt/gcc/gcc4.9p-201916/bin/gfortran -Ofast -fwhole-program
fatigue.f90
[macbook] lin/test% nm a.out | grep perdida
[macbook] lin/test% time a.out > /dev/null
2.767u 0.003s 0:02.77 99.6%    0+0k 0+2io 0pf+0w
[macbook] lin/test% /opt/gcc/gcc4.9p-202776/bin/gfortran -Ofast -fwhole-program
fatigue.f90
[macbook] lin/test% nm a.out | grep perdida
0000000100001380 t ___perdida_m_MOD_perdida.constprop.3
[macbook] lin/test% time a.out > /dev/null
5.102u 0.004s 0:05.10 100.0%    0+0k 0+2io 0pf+0w

To understand why I could not bisect further, see
http://gcc.gnu.org/ml/gcc-regression/2013-09/ !-(