diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index bcc841588f6..6221f18b3e4 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2003-03-13  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
+
+	PR fortran/18600
+	* gfortran.dg/stfunc_1.f90: New test.
+
 2003-03-13  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
 
 	PR fortran/16907
diff --git a/gcc/testsuite/gfortran.dg/stfunc_1.f90 b/gcc/testsuite/gfortran.dg/stfunc_1.f90
new file mode 100644
index 00000000000..e21f34e063b
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/stfunc_1.f90
@@ -0,0 +1,9 @@
+! { dg-do run }
+! this is a problem which disappeared between 2005-01-02 and 2005-03-13
+! PR 18600
+      logical a, b
+      a(b) = .true.
+      b = .false.
+      if (a(.false.)) b = .true.
+      if (.not.b) call abort
+      end