[Bug target/23963] MMX intrinsics cause ICE in trunc_int_for_mode

[pinskia at gcc dot gnu dot org]

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           What    |Removed                     |Added
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          Component|c                           |target
           Keywords|                            |ice-on-valid-code, ssemmx


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23963