Fix shortcutting bug in HInferRepresentation
* src/hydrogen.cc (HInferRepresentation::Analyze): Fix iterative loop over phis; the shortcutting behavior of || appears to be accidental here, causing O(n^2) convergence. Not that it matters much, but hey! While I'm at it, a minor comment fix: * src/hydrogen-instructions.h (EnsureAndPropagateNotMinusZero): Fix a comment about the kinds of instructions that propagate to multiple inputs. BUG= TEST=passes tools/test.py Review URL: http://codereview.chromium.org/7350019 Patch from Andy Wingo <wingo@igalia.com>. git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8645 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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