From: Jerry DeLisle <jvdelisle@gcc.gnu.org>
Date: Tue, 9 Nov 2010 00:08:20 +0000 (+0000)
Subject: re PR fortran/43899 (Wrong unused-variable warning with NAMELISTs)
X-Git-Tag: releases/gcc-4.6.0~2812
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f585b0d3b582f72c5b1c59c57acd5b9c7755e52c;p=thirdparty%2Fgcc.git

re PR fortran/43899 (Wrong unused-variable warning with NAMELISTs)

2010-11-08  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/43899
	* trans-decl.c (generate_local_decl): Do not generate unused warning
	for variables in namelists.

From-SVN: r166461
---

diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 86aad78e29ce..22cf7d808163 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2010-11-08  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR fortran/43899
+	* trans-decl.c (generate_local_decl): Do not generate unused warning
+	for variables in namelists.
+
 2010-11-08  Janus Weil  <janus@gcc.gnu.org>
 
 	PR fortran/46344
diff --git a/gcc/fortran/trans-decl.c b/gcc/fortran/trans-decl.c
index 8e5c294b99f6..a94556fb260b 100644
--- a/gcc/fortran/trans-decl.c
+++ b/gcc/fortran/trans-decl.c
@@ -4017,9 +4017,10 @@ generate_local_decl (gfc_symbol * sym)
 	}
 
       /* Warn for unused variables, but not if they're inside a common
-	 block or are use-associated.  */
+	 block, a namelist, or are use-associated.  */
       else if (warn_unused_variable
-	       && !(sym->attr.in_common || sym->attr.use_assoc || sym->mark))
+	       && !(sym->attr.in_common || sym->attr.use_assoc || sym->mark
+		    || sym->attr.in_namelist))
 	gfc_warning ("Unused variable '%s' declared at %L", sym->name,
 		     &sym->declared_at);