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fix #5117

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This commit is contained in:
Nikolaj Bjorner 2021-03-30 14:23:30 -07:00
parent c71bbb6391
commit 1fcd537d81
1 changed files with 0 additions and 5 deletions
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5
src/ast/rewriter/seq_rewriter.cpp
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@ -2017,11 +2017,6 @@ br_status seq_rewriter::mk_seq_prefix(expr* a, expr* b, expr_ref& result) {
return BR_DONE;
}
expr* b2 = nullptr, *b3 = nullptr;
if (str().is_replace(b, b1, b2, b3) && b2 == a && str().is_empty(b3)) {
result = str().mk_prefix(str().mk_concat(a, a), b1);
return BR_REWRITE2;
}
unsigned len_a;
rational len_b;