gcc/testsuite/gfortran.dg/string_assign_1.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-ffrontend-optimize -fdump-tree-original" }
   3 ! PR 52861 - optimize this to c = '' so that there is
   4 ! no memcpy in the generated code.
   5 program main
   6   character (len=20) :: c
   7   c = '     '
   8   print *,c
   9 end program main
  10 ! { dg-final { scan-tree-dump-times "memcpy" 0 "original" } }
  11 ! { dg-final { cleanup-tree-dump "original" } }