[Bug fortran/77406] ICE in generic_correspondence, at fortran/interface.c:1123

[kargl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77406

--- Comment #5 from kargl at gcc dot gnu.org ---
Author: kargl
Date: Fri Oct  7 18:18:03 2016
New Revision: 240870

URL: https://gcc.gnu.org/viewcvs?rev=240870&root=gcc&view=rev
Log:
2016-10-07  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/77406
        * interface.c (gfc_compare_interfaces): Fix detection of ambiguous
        interface involving alternate return.
        (check_interface1): Improve error message and loci.

2016-10-07  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/77406
        * gfortran.dg/pr77406.f90: New test.
        * gfortran.dg/assumed_type_3.f90: Update error messages.
        * gfortran.dg/defined_operators_1.f90: Ditto.
        * gfortran.dg/generic_26.f90: Ditto.
        * gfortran.dg/generic_7.f90: Ditto.
        * gfortran.dg/gomp/udr5.f90: Ditto.
        * gfortran.dg/gomp/udr7.f90: Ditto.
        * gfortran.dg/interface_1.f90: Ditto.
        * gfortran.dg/interface_37.f90: Ditto.
        * gfortran.dg/interface_5.f90: Ditto.
        * gfortran.dg/interface_6.f90: Ditto.
        * gfortran.dg/interface_7.f90
        * gfortran.dg/no_arg_check_3.f90
        * gfortran.dg/operator_5.f90
        * gfortran.dg/proc_ptr_comp_20.f90: Ditto.

Added:
    trunk/gcc/testsuite/gfortran.dg/pr77406.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/interface.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gfortran.dg/assumed_type_3.f90
    trunk/gcc/testsuite/gfortran.dg/defined_operators_1.f90
    trunk/gcc/testsuite/gfortran.dg/generic_26.f90
    trunk/gcc/testsuite/gfortran.dg/generic_7.f90
    trunk/gcc/testsuite/gfortran.dg/gomp/udr5.f90
    trunk/gcc/testsuite/gfortran.dg/gomp/udr7.f90
    trunk/gcc/testsuite/gfortran.dg/interface_1.f90
    trunk/gcc/testsuite/gfortran.dg/interface_37.f90
    trunk/gcc/testsuite/gfortran.dg/interface_5.f90
    trunk/gcc/testsuite/gfortran.dg/interface_6.f90
    trunk/gcc/testsuite/gfortran.dg/interface_7.f90
    trunk/gcc/testsuite/gfortran.dg/no_arg_check_3.f90
    trunk/gcc/testsuite/gfortran.dg/operator_5.f90
    trunk/gcc/testsuite/gfortran.dg/proc_ptr_comp_20.f90