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+! { dg-do run }
+! { dg-options "-std=legacy" }
+!
+! Program to test character array constructors.
+! PR17144
+subroutine test1 (n, t, u)
+ integer n
+ character(len=n) :: s(2)
+ character(len=*) :: t
+ character(len=*) :: u
+
+ ! A variable array constructor.
+ s = (/t, u/)
+ ! An array constructor as part of an expression.
+ if (any (s .ne. (/"Hell", "Worl"/))) call abort
+end subroutine
+
+subroutine test2
+ character*5 :: s(2)
+
+ ! A constant array constructor
+ s = (/"Hello", "World"/)
+ if ((s(1) .ne. "Hello") .or. (s(2) .ne. "World")) call abort
+end subroutine
+
+subroutine test3
+ character*1 s(26)
+ character*26 t
+ integer i
+
+ ! A large array constructor
+ s = (/'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', &
+ 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'/)
+ do i=1, 26
+ t(i:i) = s(i)
+ end do
+
+ ! Assignment with dependency
+ s = (/(s(27-i), i=1, 26)/)
+ do i=1, 26
+ t(i:i) = s(i)
+ end do
+ if (t .ne. "zyxwvutsrqponmlkjihgfedcba") call abort
+end subroutine
+
+program string_ctor_1
+ call test1 (4, "Hello", "World")
+ call test2
+ call test3
+end program
+