[Bug fortran/66993] Spurious ambiguous symbol error with submodules

[pault at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66993

--- Comment #2 from Paul Thomas <pault at gcc dot gnu.org> ---
Author: pault
Date: Thu Sep 10 15:22:20 2015
New Revision: 227648

URL: https://gcc.gnu.org/viewcvs?rev=227648&root=gcc&view=rev
Log:
2015-09-10  Paul Thomas  <pa...@gcc.gnu.org>

        PR fortran/66993
        * module.c (read_module): If a symtree exists and the symbol has
        been associated in a submodule from a parent (sub)module, attach
        the symbol to a 'unique symtree' and the new symbol to the
        existing symtree.

2015-09-10  Paul Thomas  <pa...@gcc.gnu.org>

        PR fortran/66993
        * gfortran.dg/submodule_11.f08: New test.

Added:
    trunk/gcc/testsuite/gfortran.dg/submodule_11.f08
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/module.c
    trunk/gcc/testsuite/ChangeLog