1 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/deferred_character_33.f90 b/gcc/testsuite/gfortran.dg/deferred_character_33.f90
new file mode 100644
index 00000000000..ec864d83c31
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/deferred_character_33.f90
@@ -0,0 +1,35 @@
+! { dg-do run }
+! { dg-additional-sources deferred_character_33a.f90 }
+! PR fortran/90744 - this used to pass a wrong length
+! to an external function without a prototype.
+! Original test case by Tomáš Trnka.
+module StringModule
+   implicit none
+
+contains
+   function getstr()
+      character(:), allocatable :: getstr
+
+      getstr = 'OK'
+   end function
+end module
+module TestModule
+   use StringModule
+   implicit none
+
+contains
+   subroutine DoTest()
+      if (.false.) then
+         call convrs('A',getstr())
+      else
+         call convrs('B',getstr())
+      end if
+   end subroutine
+end module
+program external_char_length
+   use TestModule
+
+   implicit none
+
+   call DoTest()
+end program