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PR tree-optimization/82387 PR tree-optimization/82388 PR tree-optimization/82389 * tree-ssa-dse.c (dse_classify_store): Test byte_tracking_enabled instead of live_bytes non-NULL. * gcc.c-torture/compile/pr82389.c: New test. * gcc.c-torture/execute/pr82387.c: New test. * gcc.c-torture/execute/pr82388.c: New test. From-SVN: r253356
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