re PR libfortran/25139 ("Invalid argument" error on I/O)

2005-12-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/25139
	* gfortran.dg/backspace_2.f: New test.

From-SVN: r109123

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index ca119ddc8c49f5d12b910b9700befa9afefa8bf1..d3fc200a643d40a40e1463f32b53b38ac6f3587d 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2005-12-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+       PR libgfortran/25139
+       * gfortran.dg/backspace_2.f: New test.
+
 2005-12-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 
        PR libgfortran/25550

diff --git a/gcc/testsuite/gfortran.dg/backspace_2.f b/gcc/testsuite/gfortran.dg/backspace_2.f
new file mode 100644 (file)
index 0000000..4291e04
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/backspace_2.f
@@ -0,0 +1,21 @@
+! { dg-do run }
+! PR25139 Repeated backspaces and reads.
+! Derived from example given in PR by Dale Ranta and FX Coudert
+! Contributed by Jerry DeLisle  <jvdelisle@gcc.gnu.org> 
+      integer dat(5)
+      dat = (/ 0, 0, 0, 0, 1 /)
+      write(11) dat,dat,dat,dat
+      rewind 11
+      write(11) dat
+      read(11,end=1008) dat
+      call abort()
+ 1008 continue
+      backspace 11
+      write(11) dat
+      read(11,end=1011) dat
+      call abort()
+ 1011 continue
+      backspace 11
+      backspace 11
+      end
+