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-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gfortran.dg/zero_length_2.f9016
2 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a320c2e..7ababfa 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2007-08-17 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+
+ PR fortran/33079
+ * gfortran.dg/zero_length_2.f90: New test.
+
2007-08-17 Tobias Burnus <burnus@net-b.de>
* gfortran.dg/kind_tests_2.f03: Add cleanup-modules.
diff --git a/gcc/testsuite/gfortran.dg/zero_length_2.f90 b/gcc/testsuite/gfortran.dg/zero_length_2.f90
new file mode 100644
index 0000000..31b99f5
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/zero_length_2.f90
@@ -0,0 +1,16 @@
+! { dg-do run }
+ character(len=1) :: s
+ character(len=0) :: s0 ! { dg-warning "CHARACTER variable has zero length" }
+ s = " "
+ s0 = ""
+ call bar ("")
+ call bar (s)
+ call bar (s0)
+ call bar (trim(s))
+ call bar (min(s0,s0))
+contains
+ subroutine bar (s)
+ character(len=*), optional :: s
+ if (.not. present (S)) call abort
+ end subroutine bar
+end