Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 44 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gfortran.dg/bound_8.f90 b/gcc-4.9/gcc/testsuite/gfortran.dg/bound_8.f90
new file mode 100644
index 000000000..046fc7eb2
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gfortran.dg/bound_8.f90
@@ -0,0 +1,44 @@
+! { dg-do run }
+! { dg-options "-Warray-temporaries -fall-intrinsics" }
+
+! Check that LBOUND/UBOUND/SIZE/SHAPE of array-expressions get simplified
+! in certain cases.
+! There should no array-temporaries warnings pop up, as this means that
+! the intrinsic call has not been properly simplified.
+
+! Contributed by Daniel Kraft, d@domob.eu.
+
+PROGRAM main
+  IMPLICIT NONE
+
+  ! Some explicitely shaped arrays and allocatable ones.
+  INTEGER :: a(2, 3), b(0:1, 4:6)
+  INTEGER, ALLOCATABLE :: x(:, :), y(:, :)
+
+  ! Allocate to matching sizes and initialize.
+  ALLOCATE (x(-1:0, -3:-1), y(11:12, 3))
+  a = 0
+  b = 1
+  x = 2
+  y = 3
+
+  ! Run the checks.  This should be simplified without array temporaries,
+  ! and additionally correct (of course).
+
+  ! Shape of expressions known at compile-time.
+  IF (ANY (LBOUND (a + b) /= 1)) CALL abort ()
+  IF (ANY (UBOUND (2 * b) /= (/ 2, 3 /))) CALL abort ()
+  IF (ANY (SHAPE (- b) /= (/ 2, 3 /))) CALL abort ()
+  IF (SIZE (a ** 2) /= 6) CALL abort
+
+  ! Shape unknown at compile-time.
+  IF (ANY (LBOUND (x + y) /= 1)) CALL abort ()
+  IF (SIZE (x ** 2) /= 6) CALL abort ()
+
+  ! Unfortunately, the array-version of UBOUND and SHAPE keep generating
+  ! temporary arrays for their results (not for the operation).  Thus we
+  ! can not check SHAPE in this case and do UBOUND in the single-dimension
+  ! version.
+  IF (UBOUND (2 * y, 1) /= 2 .OR. UBOUND (2 * y, 2) /= 3) CALL abort ()
+  !IF (ANY (SHAPE (- y) /= (/ 2, 3 /))) CALL abort ()
+END PROGRAM main