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+! { dg-do run }
+! { dg-options "-std=f2003 -fall-intrinsics" }
+
+! PR fortran/38936
+! Check the basic semantics of the ASSOCIATE construct.
+
+PROGRAM main
+ IMPLICIT NONE
+ REAL :: a, b, c
+ INTEGER, ALLOCATABLE :: arr(:)
+
+ a = -2.0
+ b = 3.0
+ c = 4.0
+
+ ! Simple association to expressions.
+ ASSOCIATE (r => SQRT (a**2 + b**2 + c**2), t => a + b)
+ PRINT *, t, a, b
+ IF (ABS (r - SQRT (4.0 + 9.0 + 16.0)) > 1.0e-3) CALL abort ()
+ IF (ABS (t - a - b) > 1.0e-3) CALL abort ()
+ END ASSOCIATE
+
+ ! TODO: Test association to variables when that is supported.
+ ! TODO: Test association to derived types.
+
+ ! Test association to arrays.
+ ! TODO: Enable when working.
+ !ALLOCATE (arr(3))
+ !arr = (/ 1, 2, 3 /)
+ !ASSOCIATE (doubled => 2 * arr)
+ ! IF (doubled(1) /= 2 .OR. doubled(2) /= 4 .OR. doubled(3) /= 6) &
+ ! CALL abort ()
+ !END ASSOCIATE
+
+ ! Named and nested associate.
+ myname: ASSOCIATE (x => a - b * c)
+ ASSOCIATE (y => 2.0 * x)
+ IF (ABS (y - 2.0 * (a - b * c)) > 1.0e-3) CALL abort ()
+ END ASSOCIATE
+ END ASSOCIATE myname ! Matching end-label.
+
+ ! Correct behaviour when shadowing already existing names.
+ ASSOCIATE (a => 1 * b, b => 1 * a, x => 1, y => 2)
+ IF (ABS (a - 3.0) > 1.0e-3 .OR. ABS (b + 2.0) > 1.0e-3) CALL abort ()
+ ASSOCIATE (x => 1 * y, y => 1 * x)
+ IF (x /= 2 .OR. y /= 1) CALL abort ()
+ END ASSOCIATE
+ END ASSOCIATE
+END PROGRAM main