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fix #2122 for code that isn't exception safe

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-02-02 19:49:16 +01:00
parent a76107e50d
commit 9fde9fe3a2

View file

@ -524,11 +524,11 @@ namespace upolynomial {
set(sz1, p1, buffer);
if (sz1 <= 1)
return;
numeral const & b_n = p2[sz2-1];
SASSERT(!m().is_zero(b_n));
scoped_numeral a_m(m());
while (true) {
checkpoint();
while (m_limit.inc()) {
TRACE("rem_bug", tout << "rem loop, p2:\n"; display(tout, sz2, p2); tout << "\nbuffer:\n"; display(tout, buffer); tout << "\n";);
sz1 = buffer.size();
if (sz1 < sz2) {