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PR rtl-optimization/27761 * combine.c (try_combine): Don't create a useless garbage SET if PATTERN (i2) is a PARALLEL. If added_sets_1, save PATTERN (i1) resp. SET from i1src to i1dest in i1pat and use it to prevent accidental modification of i1src. Co-Authored-By: Jakub Jelinek <jakub@redhat.com> From-SVN: r119786
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