[Bug fortran/50627] [4.6/4.7 Regression] Error recovery: ICE in gfc_free_namespace after diagnosing missing end of construct

[tkoenig at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50627

--- Comment #10 from Thomas Koenig <tkoenig at gcc dot gnu.org> 2013-02-03 13:15:24 UTC ---
Author: tkoenig
Date: Sun Feb  3 13:15:18 2013
New Revision: 195695

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195695
Log:
2013-02-03  Thomas Koenig  <tkoenig@gcc.gnu.org>

    Backport from trunk
    PR fortran/50627
    PR fortran/56054
    * decl.c (gfc_match_end):  Remove half-ready namespace
    from parent if the end of a block is missing.
    * parse.c (parse_module):  Do not put namespace into
    gsymbol on error.

2013-02-03  Thomas Koenig  <tkoenig@gcc.gnu.org>

    Backport from trunk
    PR fortran/50627
    PR fortran/56054
    * gfortran.dg/block_12.f90:  New test.
    * gfortran.dg/module_error_1.f90:  New test.


Added:
    branches/gcc-4_6-branch/gcc/testsuite/gfortran.dg/block_12.f90
    branches/gcc-4_6-branch/gcc/testsuite/gfortran.dg/module_error_1.f90
Modified:
    branches/gcc-4_6-branch/gcc/fortran/ChangeLog
    branches/gcc-4_6-branch/gcc/fortran/decl.c
    branches/gcc-4_6-branch/gcc/fortran/parse.c
    branches/gcc-4_6-branch/gcc/testsuite/ChangeLog