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[Bug fortran/24958] New: ice-on-invalid


ICE on invalid code, nullify member of unknown derived type.

$ cat invalid_nullify.F 
       program ice_on_invalid_nullify
       implicit none
       TYPE (nonexisting_type1), TARGET :: t1
       nullify(t1%something)
       end program
$ gfortran-4.1-HEAD invalid_nullify.F 
 In file invalid_nullify.F:3

       TYPE (nonexisting_type1), TARGET :: t1
                              1
Error: Derived type 'nonexisting_type1' at (1) is being used before it is
defined
*** glibc detected *** free(): invalid pointer: 0x0852e120 ***
/tmp/ccWjMV8j.f:0: internal compiler error: Aborted
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.


-- 
           Summary: ice-on-invalid
           Product: gcc
           Version: 4.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: rep dot nop at aon dot at
 GCC build triplet: i686-linux-gnu
  GCC host triplet: i686-linux-gnu
GCC target triplet: i686-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24958


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