[Bug fortran/35943] New: -fbounds-check: actual character string shorter than dummy

[Bug fortran/35943] New: -fbounds-check: actual character string shorter than dummy

[burnus at gcc dot gnu dot org]

Found at
http://groups.google.com/group/comp.lang.fortran/browse_thread/thread/1a93179a80b6e6e8

The following program is invalid as the passed character string is too short
for the dummy argument. gfortran detects this at compile time (if contained)
and prints a warning; however, I expect that it also detects this at run time
with -fbounds-check.

This should be quite easy as substr has:
  substr (strng, _strng)
i.e. the _strng size can be compared at run time.

(Note: Using "character(len=n)" the string length of the dummy might not be
known at compile time either.)

       PROGRAM TST_STRING
       CALL SUBSTR('HELLO THE WETHER IS NICE')
       CALL SUBSTR('HELLO THE WETHER IS ')
       CALL SUBSTR('HELLO THE WETHER ')
       STOP
!       CONTAINS
       END
       SUBROUTINE SUBSTR(STRNG)
       CHARACTER(24) STRNG

       WRITE(6,*) 'STRING=', STRNG
       RETURN

       END  SUBROUTINE
!       END PROGRAM


-- 
           Summary: -fbounds-check: actual character string shorter than
                    dummy
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Keywords: diagnostic
          Severity: normal
          Priority: P3
         Component: fortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: burnus at gcc dot gnu dot org
OtherBugsDependingO 27766
             nThis:


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35943

[Bug fortran/35943] -fbounds-check: actual character string shorter than dummy

[domob at gcc dot gnu dot org]

------- Comment #1 from domob at gcc dot gnu dot org  2009-01-04 08:40 -------


*** This bug has been marked as a duplicate of 37746 ***


-- 

domob at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |DUPLICATE


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35943