print-tree.c (print_node): Print DECL_READ_P flag.

gcc/ChangeLog:

	* print-tree.c (print_node): Print DECL_READ_P flag.

From-SVN: r248339

gcc/ChangeLog

+2017-05-19  Martin Sebor  <msebor@redhat.com>
+
+	* print-tree.c (print_node): Print DECL_READ_P flag.
+
 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
 
 	* Makefile.in: Add ipa-fnsummary.o and ipa-fnsummary.h

gcc/print-tree.c

@@ -400,6 +400,8 @@ print_node (FILE *file, const char *prefix, tree node, int indent,
 	fputs (" in-constant-pool", file);
       if (code == VAR_DECL && DECL_COMMON (node))
 	fputs (" common", file);
+      if ((code == VAR_DECL || code == PARM_DECL) && DECL_READ_P (node))
+	fputs (" read", file);
       if (code == VAR_DECL && DECL_THREAD_LOCAL_P (node))
 	{
 	  fputs (" ", file);