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+! { dg-do run }
+! { dg-options "-O2" }
+! Tests the fix PR29392, in which the iterator valued substring
+! reference would cause a segfault.
+!
+! Contributed by Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
+!
+ character(LEN=2) :: a(2)
+ data ((a(I)(k:k),I=1,2),k=1,2) /2*'a',2*'z'/
+ IF (ANY(a.NE."az")) CALL ABORT()
+ END