1! PR fortran/21730
2! { dg-do run }
3! { dg-options "-std=legacy" }
4!
5      character*2 a (1)
6      character*4 b (1)
7      character*6 c
8      parameter (a="12")
9      parameter (b = a)
10      write (c,'("#",A,"#")') b
11      if (c .ne. '#12  #') STOP 1
12      end
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