re PR libfortran/18958 ([4.0 only] eoshift segfaults when shifting off the end of an array)

2005-04-30  Thomas Koenig  <Thomas.Koenig@online.de>

        PR libfortran/18958
        libgfortran.h:  Change typedef of index_type from size_t
        to ssize_t.

2005-04-30  Thomas Koenig  <Thomas.Koenig@online.de>

        PR libfortran/18958
        * gfortran.dg/eoshift.f90:  New test case.

From-SVN: r99047

gcc/testsuite/ChangeLog

+2005-04-30  Thomas Koenig  <Thomas.Koenig@online.de>
+
+	PR libfortran/18958
+	* gfortran.dg/eoshift.f90:  New test case.
+
 2005-04-30  Paul Thomas  <pault@gcc.gnu.org>
 
 	PR libfortran/18857

gcc/testsuite/gfortran.dg/eoshift.f90

+! { dg-do run }
+! PR 18958:  We used to segfault for eoshifting off the end of an array.
+program main
+  character(len=20) line
+  write (line,'(I4)') eoshift((/1, 3/), 3)
+end program main

libgfortran/ChangeLog

+2005-04-30  Thomas Koenig  <Thomas.Koenig@online.de>
+
+	PR libfortran/18958
+	libgfortran.h:  Change typedef of index_type from size_t
+	to ssize_t.
+
 2005-04-30  Paul Thomas  <pault@gcc.gnu.org>
 
 	PR libfortran/18857

libgfortran/libgfortran.h

@@ -215,7 +215,7 @@ typedef complex double GFC_COMPLEX_8;
 /* The following two definitions must be consistent with the types used
    by the compiler.  */
 /* The type used of array indices, amongst other things.  */
-typedef size_t index_type;
+typedef ssize_t index_type;
 /* The type used for the lengths of character variables.  */
 typedef GFC_INTEGER_4 gfc_charlen_type;