1 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/hollerith6.f90 b/gcc/testsuite/gfortran.dg/hollerith6.f90
new file mode 100644
index 000000000..93e857dd5
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/hollerith6.f90
@@ -0,0 +1,35 @@
+! PR fortran/39865
+! { dg-do run }
+
+subroutine foo (a)
+  integer(kind=4) :: a(1, 3)
+  character(len=40) :: t
+  write (t, fmt=a(1,2)) 1, 2, 3, 4, 5, 6, 7, 8
+  if (t .ne. '   1   2   3   4   5   6   7   8') call abort
+end subroutine foo
+  interface
+    subroutine foo (a)
+      integer(kind=4) :: a(1, 3)
+    end subroutine foo
+  end interface
+  integer(kind=4) :: b(1,3)
+  character(len=40) :: t
+  b(1,1) = 4HXXXX
+  b(1,2) = 4H (8I
+  b(1,3) = 2H4)
+  write (t, fmt=b(1,2)) 1, 2, 3, 4, 5, 6, 7, 8
+  if (t .ne. '   1   2   3   4   5   6   7   8') call abort
+  call foo (b)
+end
+
+! { dg-warning "Non-character in FORMAT tag" "FMT" { target *-*-* } 7 }
+! { dg-warning "Non-character in FORMAT tag" "FMT" { target *-*-* } 20 }
+
+! { dg-warning "Hollerith constant" "const" { target *-*-* } 17 }
+! { dg-warning "Conversion" "conversion" { target *-*-* } 17 }
+
+! { dg-warning "Hollerith constant" "const" { target *-*-* } 18 }
+! { dg-warning "Conversion" "conversion" { target *-*-* } 18 }
+
+! { dg-warning "Hollerith constant" "const" { target *-*-* } 19 }
+! { dg-warning "Conversion" "conversion" { target *-*-* } 19 }