1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/reshape.f90 b/gcc/testsuite/gfortran.dg/reshape.f90
new file mode 100644
index 000000000..3dba09892
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+++ b/gcc/testsuite/gfortran.dg/reshape.f90
@@ -0,0 +1,33 @@
+! { dg-do run }
+! This tests a few reshape PRs.
+program resh
+  implicit none
+  real, dimension (2,3) :: a,c
+  real, dimension (12) :: b
+  type foo
+    real :: r
+  end type foo
+  type(foo), dimension (2,3) :: ar
+  type(foo), dimension (12) :: br
+
+  character (len=80) line1, line2, line3
+  integer :: i
+
+  ! PR 21108:  This used to give undefined results.
+  b = (/(i,i=1,12)/)
+  a = reshape(b(1:12:2),shape(a),order=(/2,1/))
+  c = reshape(b(1:12:2),shape(a),order=(/2,1/))
+  if (any (a /= c)) call abort
+
+  ! Test generic reshape
+  br%r = b
+  ar = reshape(br(1:12:2),shape(a),order=(/2,1/))
+  if (any (ar%r /= a)) call abort
+
+  ! Test callee-allocated memory with a write statement
+  write (line1,'(6F8.3)') reshape(b(1:12:2),shape(a),order=(/2,1/))
+  write (line2,'(6F8.3)') a
+  if (line1 /= line2 ) call abort
+  write (line3,'(6F8.3)') reshape(br(1:12:2),shape(ar),order=(/2,1/))
+  if (line1 /= line3 ) call abort
+end