1 files changed, 41 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/external_procedures_2.f90 b/gcc/testsuite/gfortran.dg/external_procedures_2.f90
new file mode 100644
index 000000000..3f13dac3d
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+++ b/gcc/testsuite/gfortran.dg/external_procedures_2.f90
@@ -0,0 +1,41 @@
+! { dg-do compile }
+! Tests the for PR30410, in which the reference to extfunc would
+! be incorrectly made to the module namespace.
+!
+! Contributed by Harald Anlauf <anlauf@gmx.de>
+!
+module mod1
+contains
+  function eval (func, x1)
+    real     :: eval, func, x1
+    external :: func
+    eval = func (x1)
+  end function eval
+end module mod1
+!-------------------------------
+module mod2
+  use mod1, only : eval
+  real, external :: extfunc     ! This was referenced as __mod2__extfunc__
+contains
+
+  subroutine foo (x0)
+    real :: x0, x1
+    x1 = 42
+    x0 = eval (extfunc, x1)
+  end subroutine foo
+
+end module mod2
+!-------------------------------
+function extfunc (x)
+  real, intent(in) ::  x
+  real             ::  extfunc
+  extfunc = x
+end function extfunc
+!-------------------------------
+program gfcbug53
+  use mod2, only : foo
+  real :: x0 = 0
+  call foo (x0)
+  print *, x0
+end program gfcbug53
+! { dg-final { cleanup-modules "mod1 mod2" } }