const_tree);
extern tree no_follow_ssa_edges (tree);
extern tree follow_single_use_edges (tree);
-extern tree gimple_fold_stmt_to_constant_1 (gimple, tree (*) (tree),
+extern tree gimple_fold_stmt_to_constant_1 (gimple *, tree (*) (tree),
tree (*) (tree) = no_follow_ssa_edges);
-extern tree gimple_fold_stmt_to_constant (gimple, tree (*) (tree));
+extern tree gimple_fold_stmt_to_constant (gimple *, tree (*) (tree));
extern tree fold_ctor_reference (tree, tree, unsigned HOST_WIDE_INT,
unsigned HOST_WIDE_INT, tree);
extern tree fold_const_aggregate_ref_1 (tree, tree (*) (tree));
extern bool gimple_val_nonnegative_real_p (tree);
extern tree gimple_fold_indirect_ref (tree);
extern bool arith_code_with_undefined_signed_overflow (tree_code);
-extern gimple_seq rewrite_to_defined_overflow (gimple);
+extern gimple_seq rewrite_to_defined_overflow (gimple *);
/* gimple_build, functionally matching fold_buildN, outputs stmts
int the provided sequence, matching and simplifying them on-the-fly.