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-rw-r--r--gcc/fortran/trans-common.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/fortran/trans-common.c b/gcc/fortran/trans-common.c
index 61ce44b..22aa350 100644
--- a/gcc/fortran/trans-common.c
+++ b/gcc/fortran/trans-common.c
@@ -1,5 +1,6 @@
/* Common block and equivalence list handling
- Copyright (C) 2000, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+ Copyright (C) 2000, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+ 2011, 2012
Free Software Foundation, Inc.
Contributed by Canqun Yang <canqun@nudt.edu.cn>
@@ -689,7 +690,9 @@ create_common (gfc_common_head *com, segment_info *head, bool saw_equiv)
VAR_DECL, DECL_NAME (s->field),
TREE_TYPE (s->field));
TREE_STATIC (var_decl) = TREE_STATIC (decl);
- TREE_USED (var_decl) = TREE_USED (decl);
+ /* Mark the variable as used in order to avoid warnings about
+ unused variables. */
+ TREE_USED (var_decl) = 1;
if (s->sym->attr.use_assoc)
DECL_IGNORED_P (var_decl) = 1;
if (s->sym->attr.target)