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fix #1319, fix #1320

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-10-23 08:17:38 -07:00
parent 1a859d4591
commit 77bbae65f5
3 changed files with 6 additions and 2 deletions
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2
src/parsers/smt2/smt2parser.cpp
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@ -1881,6 +1881,8 @@ namespace smt2 {
// the resultant expression is on the top of the stack
TRACE("let_frame", tout << "let result expr: " << mk_pp(expr_stack().back(), m()) << "\n";);
expr_ref r(m());
if (expr_stack().empty())
throw parser_exception("invalid let expression");
r = expr_stack().back();
expr_stack().pop_back();
// remove local declarations from the stack