1 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/use_22.f90 b/gcc/testsuite/gfortran.dg/use_22.f90
new file mode 100644
index 000000000..d61df6713
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/use_22.f90
@@ -0,0 +1,35 @@
+! { dg-do compile }
+!
+! PR fortran/55827
+! gfortran used to ICE with the call to `tostring' depending on how the
+! `tostring' symbol was USE-associated.
+!
+! Contributed by Lorenz Hüdepohl <bugs@stellardeath.org>
+
+module stringutils
+  interface
+    pure function strlen(handle) result(len)
+      integer, intent(in) :: handle
+      integer :: len
+    end function
+  end interface
+end module
+module intermediate ! does not die if this module is merged with stringutils
+  contains
+  function tostring(handle) result(string)
+    use stringutils
+    integer, intent(in) :: handle
+    character(len=strlen(handle)) :: string
+  end function
+end module
+module usage
+  contains
+  subroutine dies_here(handle)
+    use stringutils ! does not die if this unnecessary line is omitted or placed after "use intermediate"
+    use intermediate
+    integer :: handle
+    write(*,*) tostring(handle) ! ICE
+  end subroutine
+end module
+
+