--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gfortran.dg/io_tags_8.f90	Mon May 25 07:50:57 2020 +0900
@@ -0,0 +1,18 @@
+! { dg-do compile }
+! { dg-options "-std=f2003" }
+! Based on PR fortran/66724, also covers fortran/66725 and fortran/87923.
+!
+
+rewind (1, iomsg=1) ! { dg-error "IOMSG tag at ... must be of type CHARACTER" }
+rewind (1, iomsg=1e1) ! { dg-error "IOMSG tag at ... must be of type CHARACTER" }
+rewind (1, iomsg=1d1) ! { dg-error "IOMSG tag at ... must be of type CHARACTER" }
+rewind (1, iomsg=.false.) ! { dg-error "IOMSG tag at ... must be of type CHARACTER" }
+rewind (1, iomsg='') ! { dg-error "Non-variable expression" }
+rewind (1, iomsg='no') ! { dg-error "Non-variable expression" }
+rewind (1, iomsg=null()) ! { dg-error "IOMSG tag at ... must be of type CHARACTER" }
+rewind (1, iomsg=(1)) ! { dg-error "IOMSG tag at ... must be of type CHARACTER" }
+rewind (1, iomsg=(1., 0.)) ! { dg-error "IOMSG tag at ... must be of type CHARACTER" }
+rewind (1, iomsg=[1]) ! { dg-error "IOMSG tag at ... must be of type CHARACTER" }
+rewind (1, iomsg=['']) ! { dg-error "IOMSG tag at ... must be scalar" }
+
+end