extend.texi (Labels as Values): Document need for noclone.

extend.texi (Labels as Values): Document need for noclone.

2009-07-25  Martin Jambor  <mjambor@suse.cz>

	* doc/extend.texi (Labels as Values): Document need for noclone.
	(Function Attributes): Document noclone attribute.
	* c-common.c (c_common_attribute_table): New element for noclone.
	(handle_noclone_attribute): New function. Forward-declare.
	* tree-inline.c (tree_versionable_function_p): Check for noclone
	attribute.

	* testsuite/gcc.c-torture/execute/pr17377.c: Add noclone attribute to
	function y.
	* testsuite/gcc.dg/ipa/noclone-1.c: New test.

From-SVN: r150086