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authorJim Wilson <wilson@gcc.gnu.org>1993-09-01 16:20:32 -0700
committerJim Wilson <wilson@gcc.gnu.org>1993-09-01 16:20:32 -0700
commite26a82e41e15d154c070a49bc4afae630eeeae1f (patch)
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parent549a367ad6bf68e95e6c08fe9fb49a29a4e92177 (diff)
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(jump_optimize): When optimize conditional jump around
unconditional jump, handle case where prev_label can be zero. From-SVN: r5246
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