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-rw-r--r--gcc/c-tree.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/gcc/c-tree.h b/gcc/c-tree.h
index 53b980e713a..ee69b0840f4 100644
--- a/gcc/c-tree.h
+++ b/gcc/c-tree.h
@@ -514,12 +514,12 @@ extern struct c_declspecs *declspecs_add_attrs (struct c_declspecs *, tree);
extern struct c_declspecs *finish_declspecs (struct c_declspecs *);
/* in c-objc-common.c */
-extern int c_disregard_inline_limits (tree);
+extern int c_disregard_inline_limits (const_tree);
extern int c_cannot_inline_tree_fn (tree *);
extern bool c_objc_common_init (void);
extern bool c_missing_noreturn_ok_p (tree);
extern tree c_objc_common_truthvalue_conversion (tree expr);
-extern bool c_warn_unused_global_decl (tree);
+extern bool c_warn_unused_global_decl (const_tree);
extern void c_initialize_diagnostics (diagnostic_context *);
extern bool c_vla_unspec_p (tree x, tree fn);
@@ -540,9 +540,9 @@ extern struct c_label_context_vm *label_context_stack_vm;
extern tree require_complete_type (tree);
extern int same_translation_unit_p (tree, tree);
extern int comptypes (tree, tree);
-extern bool c_vla_type_p (tree);
+extern bool c_vla_type_p (const_tree);
extern bool c_mark_addressable (tree);
-extern void c_incomplete_type_error (tree, tree);
+extern void c_incomplete_type_error (const_tree, const_tree);
extern tree c_type_promotes_to (tree);
extern struct c_expr default_function_array_conversion (struct c_expr);
extern tree composite_type (tree, tree);