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author	Richard Guenther <rguenther@suse.de>
	Mon, 10 Oct 2011 14:25:34 +0000 (14:25 +0000)
committer	Richard Biener <rguenth@gcc.gnu.org>
	Mon, 10 Oct 2011 14:25:34 +0000 (14:25 +0000)
commit	4d8b88e8f2eecec56b16736f27e708ec20a222cb
tree	a854ae7e36552eb0719563335c71134fc0b20baf	tree
parent	ff8e7c4d682099d61e81a20b465280bcc7cdaab5	commit \| diff

re PR middle-end/50195 (Linking time error with -fast-math -O0)

2011-10-10 Richard Guenther <rguenther@suse.de>

PR middle-end/50195
* fold-const.c (fold_binary_loc): Canonicalize x*x to pow (x, 2)
only when optimizing.

* gcc.dg/builtins-47.c: Optimize.

From-SVN: r179752

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