2007-04-06 Eric Botcazou <botcazou@adacore.com>

	    Olivier Hainque  <hainque@adacore.com>

	* utils.c (update_pointer_to): Make a copy of the couple of FIELD_DECLs
	when updating the contents of the old pointer to an unconstrained array.
	(end_subprog_body): Set error_gnat_node to Empty.
	(write_record_type_debug_info): Do not be unduly sparing with our bytes.
	(unchecked_convert): For subtype to base type conversions, require that
	the source be a subtype if it is an integer type.
	(builtin_decls): New global, vector of available builtin functions.
	(gnat_pushdecl): Add global builtin function declaration nodes to the
	builtin_decls list.
	(gnat_install_builtins): Adjust comments.
	(builtin_function): Set DECL_BUILTIN_CLASS and DECL_FUNCTION_CODE before
	calling gnat_pushdecl, so that it knows when it handed a builtin
	function declaration node.
	(builtin_decl_for): Search the builtin_decls list.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@123609 138bc75d-0d04-0410-961f-82ee72b054a4

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