From d9099df88397aebc1ff7c0f116c1afb3602cbedc Mon Sep 17 00:00:00 2001
From: Jerry DeLisle <jvdelisle@gcc.gnu.org>
Date: Thu, 10 May 2007 01:09:57 +0000
Subject: [PATCH] re PR libfortran/31880 ([4.2 only] silent data corruption in
 gfortran read statement)

2007-05-09  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/31880
	* gfortran.dg/unf_read_corrupted_2.f90: New test.

From-SVN: r124590
---
 gcc/testsuite/ChangeLog                       |  5 ++++
 .../gfortran.dg/unf_read_corrupted_2.f90      | 27 +++++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 gcc/testsuite/gfortran.dg/unf_read_corrupted_2.f90

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 53f02053155..385a25c1524 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2007-05-09  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libfortran/31880
+	* gfortran.dg/unf_read_corrupted_2.f90: New test.
+
 2007-05-09  Mike Stump  <mrs@apple.com>
 
 	* g++.dg/other/first-global.C: Add -fpie for darwin.
diff --git a/gcc/testsuite/gfortran.dg/unf_read_corrupted_2.f90 b/gcc/testsuite/gfortran.dg/unf_read_corrupted_2.f90
new file mode 100644
index 00000000000..2a75da7c855
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/unf_read_corrupted_2.f90
@@ -0,0 +1,27 @@
+! { dg-do run }
+! PR31880 silent data corruption in gfortran read statement
+! Test from PR.
+      program r3
+
+      integer(kind=4) :: a(1025),b(1025),c(1025),d(2048),e(1022)
+      
+      a = 5
+      b = 6
+      c = 7
+      e = 8
+
+      do i=1,2048
+         d(i)=i
+      end do
+
+      open  (3,file='a',form='unformatted')
+      write (3) a,b,c,d,e
+      rewind 3
+      d = 0
+      read  (3) a,b,c,d
+      close (3)
+
+      if (d(1).ne.1) call abort
+      if (d(2048).ne.2048) call abort
+
+      end