[Bug target/49547] LZCNT should be enabled only if ABM or LZCNT bits are set

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49547

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
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   Target Milestone|4.6.2                       |4.7.0