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fix #1544

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-03-16 19:30:13 -07:00
parent b1f05d8271
commit 5dd7e2c520
3 changed files with 7 additions and 7 deletions
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2
src/ast/rewriter/rewriter_def.h
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@ -194,12 +194,14 @@ bool rewriter_tpl<Config>::constant_fold(app * t, frame & fr) {
result_stack().shrink(fr.m_spos);
result_stack().push_back(arg);
fr.m_state = REWRITE_BUILTIN;
TRACE("rewriter_step", tout << "step\n" << mk_ismt2_pp(t, m()) << "\n";);
if (visit<false>(arg, fr.m_max_depth)) {
m_r = result_stack().back();
result_stack().pop_back();
result_stack().pop_back();
result_stack().push_back(m_r);
cache_result<false>(t, m_r, m_pr, fr.m_cache_result);
TRACE("rewriter_step", tout << "step 1\n" << mk_ismt2_pp(m_r, m()) << "\n";);
frame_stack().pop_back();
set_new_child_flag(t);
}