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diff --git a/gcc/testsuite/gfortran.dg/pr32599.f03 b/gcc/testsuite/gfortran.dg/pr32599.f03
new file mode 100644
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+++ b/gcc/testsuite/gfortran.dg/pr32599.f03
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+! { dg-do compile }
+! PR fortran/32599
+! Verifies that character string arguments to a bind(c) procedure have length 
+! 1, or no len is specified.  
+module pr32599
+  interface
+     subroutine destroy(path) BIND(C) ! { dg-error "must be length 1" }
+       use iso_c_binding
+       implicit none
+       character(len=*,kind=c_char), intent(IN) :: path 
+     end subroutine destroy
+
+     subroutine create(path) BIND(C) ! { dg-error "must be length 1" }
+       use iso_c_binding
+       implicit none
+       character(len=5,kind=c_char), intent(IN) :: path 
+     end subroutine create
+
+     ! This should be valid.
+     subroutine create1(path) BIND(C)
+       use iso_c_binding
+       implicit none
+       character(len=1,kind=c_char), intent(IN) :: path 
+     end subroutine create1
+
+     ! This should be valid.
+     subroutine create2(path) BIND(C)
+       use iso_c_binding
+       implicit none
+       character(kind=c_char), intent(IN) :: path
+     end subroutine create2
+
+     ! This should be valid.
+     subroutine create3(path) BIND(C)
+       use iso_c_binding
+       implicit none
+       character(kind=c_char), dimension(*), intent(IN) :: path
+     end subroutine create3
+  end interface
+end module pr32599