re PR fortran/68108 (erroneous error message 'scalar integer expression expected')

2015-10-27  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/68108
	* decl.c (char_len_param_value): Check for REF_ARRAY.
 
2015-10-27  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/68108
	* gfortran.dg/pr67805_2.f90: New test.

From-SVN: r229446

gcc/fortran/ChangeLog

+2015-10-27  Steven G. Kargl  <kargl@gcc.gnu.org>
+
+	PR fortran/68108
+	* decl.c (char_len_param_value): Check for REF_ARRAY.
+
 2015-10-26  Louis Krupp  <louis.krupp@zoho.com>
 
 	PR fortran/66056

gcc/fortran/decl.c

@@ -748,13 +748,15 @@ char_len_param_value (gfc_expr **expr, bool *deferred)
 
       /* This catches the invalid code "[character(m(2:3)) :: 'x', 'y']",
 	 which causes an ICE if gfc_reduce_init_expr() is called.  */
-      if (e->ref && e->ref->u.ar.type == AR_UNKNOWN
+      if (e->ref && e->ref->type == REF_ARRAY
+	  && e->ref->u.ar.type == AR_UNKNOWN
 	  && e->ref->u.ar.dimen_type[0] == DIMEN_RANGE)
 	goto syntax;
 
       gfc_reduce_init_expr (e);
 
-      if ((e->ref && e->ref->u.ar.type != AR_ELEMENT) 
+      if ((e->ref && e->ref->type == REF_ARRAY
+	   && e->ref->u.ar.type != AR_ELEMENT) 
 	  || (!e->ref && e->expr_type == EXPR_ARRAY))
 	{
 	  gfc_free_expr (e);

gcc/testsuite/ChangeLog

+ 2015-10-27  Steven G. Kargl  <kargl@gcc.gnu.org>
+
+	PR fortran/68108
+	* gfortran.dg/pr67805_2.f90: New test.
+
 2015-10-27  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
 	    Aditya Kumar  <aditya.k7@samsung.com>
 

gcc/testsuite/gfortran.dg/pr67805_2.f90

+! { dg-do compile }
+! PR fortran/68108
+! Code contributed by Juergen Reuter (juergen.reuter at desy dot de)
+! Test fix for regression caused by PR fortran/67805.
+module lexers
+  implicit none
+  type :: template_t
+     character(256) :: charset1
+     integer :: len1
+  end type template_t
+
+contains
+
+  subroutine match_quoted (tt, s, n)
+    type(template_t), intent(in) :: tt
+    character(*), intent(in) :: s
+    integer, intent(out) :: n
+    character(tt%len1) :: ch1
+    ch1 = tt%charset1
+  end subroutine match_quoted
+
+end module lexers