re PR fortran/36795 (crash with character allocatable array argument)

2008-10-21  Paul Thomas  <pault@gcc.gnu.org>

	PR libfortran/36795
	* gfortran.dg/char_expr_3.f90:  Add the original test case.

From-SVN: r141277

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index b00853789d9d9154826a21545129c341d86a2dd2..0f322dcc928df5c3ce49a52113c4499420727eba 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2008-10-21  Paul Thomas  <pault@gcc.gnu.org>
+
+       PR libfortran/36795
+       * gfortran.dg/char_expr_3.f90:  Add the original test case.
+
 2008-10-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
 
        PR libfortran/34670

diff --git a/gcc/testsuite/gfortran.dg/char_expr_3.f90 b/gcc/testsuite/gfortran.dg/char_expr_3.f90
new file mode 100644 (file)
index 0000000..fed0f3c
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/char_expr_3.f90
@@ -0,0 +1,26 @@
+! { dg-do run }
+! Check the fix for PR36795, where the parentheses in the call to foo were
+! simplified out ie. foo((xx), xx) simplified to foo (xx, xx)
+!
+! Conributed by Vivek Rao <vivekrao4@yahoo.com>
+!
+program main
+  implicit none
+  character(len=10), allocatable :: xx(:)
+  character(len=10)              :: yy
+  allocate (xx(2))
+  xx(1)      = ""
+  xx(2)      = "dog"
+  call foo ((xx),xx)
+  if (trim (xx(1)) .ne. "dog") call abort
+  if (size (xx, 1) .ne. 1) call abort
+contains
+  subroutine foo (xx,yy)
+  character(len=*), intent(in)               :: xx(:)
+  character(len=*), intent(out), allocatable :: yy(:)
+  if (allocated (yy)) deallocate (yy)
+  allocate (yy(1))
+  yy = xx(2)
+  end subroutine foo
+end program main
+