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-rw-r--r--gcc/alias.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/alias.h b/gcc/alias.h
index a0511c14a46..a24549391fe 100644
--- a/gcc/alias.h
+++ b/gcc/alias.h
@@ -26,7 +26,7 @@ typedef HOST_WIDE_INT alias_set_type;
extern alias_set_type new_alias_set (void);
extern alias_set_type get_varargs_alias_set (void);
extern alias_set_type get_frame_alias_set (void);
-extern bool component_uses_parent_alias_set (tree);
+extern bool component_uses_parent_alias_set (const_tree);
extern bool alias_set_subset_of (alias_set_type, alias_set_type);
/* This alias set can be used to force a memory to conflict with all