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build_nt and build_parse_node


tree.c contains two functions, build_nt and build_parse_node, that are
textually identical apart from the function name.  build_parse_node has a
comment

	/* Similar to `build_nt', except we build
	   on the temp_decl_obstack, regardless.  */

which is obsolete given gc.  Should one of these functions die and have
its callers changed to call the other?  Which one should die, if so?

-- 
Joseph S. Myers
jsm28@cam.ac.uk


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