1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/allocate_zerosize_1.f90 b/gcc/testsuite/gfortran.dg/allocate_zerosize_1.f90
new file mode 100644
index 000000000..c482ea0f3
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/allocate_zerosize_1.f90
@@ -0,0 +1,31 @@
+! { dg-do run }
+program main
+  implicit none
+  real, allocatable :: a(:), b(:,:)
+  integer :: n,m
+  character (len=2) :: one, two
+
+  one = ' 1'
+  two = ' 2'
+
+  allocate (a(1:-1))
+  if (size(a) /= 0) call abort
+  deallocate (a)
+
+  allocate (b(1:-1,0:10))
+  if (size(b) /= 0) call abort
+  deallocate (b)
+
+  ! Use variables for array bounds.  The internal reads
+  ! are there to hide fact that these are actually constant.
+
+  read (unit=one, fmt='(I2)') n
+  allocate (a(n:-1))
+  if (size(a) /= 0) call abort
+  deallocate (a)
+
+  read (unit=two, fmt='(I2)') m
+  allocate (b(1:3, m:0))
+  if (size(b) /= 0) call abort
+  deallocate (b)
+end program main