1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/implicit_12.f90 b/gcc/testsuite/gfortran.dg/implicit_12.f90
new file mode 100644
index 000000000..3b47352d6
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/implicit_12.f90
@@ -0,0 +1,25 @@
+! { dg-do run }
+!
+! PR fortran/37400
+!
+module mod 
+   implicit character(len=*,kind=kind('A')) (Q) 
+   parameter(Q1 = '12345678')     ! len=8
+   parameter(Q2 = 'abcdefghijkl') ! len=12
+   contains 
+      subroutine sub(Q3) 
+         if(len('#'//Q3//'#') /= 15) call abort()
+         if('#'//Q3//'#' /= '#ABCDEFGHIJKLM#') call abort()
+      end subroutine sub 
+end module mod 
+program startest 
+   use mod 
+   implicit none
+   if(len('#'//Q1//'#') /= 10) call abort()
+   if(len('#'//Q2//'#') /= 14) call abort()
+   if('#'//Q1//'#' /='#12345678#') call abort()
+   if('#'//Q2//'#' /='#abcdefghijkl#') call abort()
+   call sub('ABCDEFGHIJKLM') ! len=13
+end program startest
+
+! { dg-final { cleanup-modules "mod" } }