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change back coalesce_chars to true, a regression

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2026-06-25 21:40:26 -07:00
parent 596f158e44
commit 2c5aef7d28
1 changed files with 0 additions and 2 deletions
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2
src/ast/rewriter/seq_rewriter.cpp
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@ -470,7 +470,6 @@ br_status seq_rewriter::mk_app_core(func_decl * f, unsigned num_args, expr * con
*/
br_status seq_rewriter::mk_seq_unit(expr* e, expr_ref& result) {
unsigned ch;
verbose_stream() << "mk_seq_unit: " << mk_ismt2_pp(e, m()) << " " << m_coalesce_chars << "\n";
// specifically we want (_ BitVector 8)
if (m_util.is_const_char(e, ch) && m_coalesce_chars) {
// convert to string constant
@ -502,7 +501,6 @@ br_status seq_rewriter::mk_seq_concat(expr* a, expr* b, expr_ref& result) {
bool isc1 = str().is_string(a, s1) && m_coalesce_chars;
bool isc2 = str().is_string(b, s2) && m_coalesce_chars;
verbose_stream() << "mk_seq_concat: a = " << mk_ismt2_pp(a, m()) << ", b = " << mk_ismt2_pp(b, m()) << "\n";
if (isc1 && isc2) {
result = str().mk_string(s1 + s2);
return BR_DONE;