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strengthen support for int.to.str and length reasoning. Issue #589

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-05-28 12:26:47 -07:00
parent 8c99d3c431
commit c3f498a640
9 changed files with 103 additions and 31 deletions
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13
src/ast/ast.h
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@ -1571,18 +1571,9 @@ public:
void debug_ref_count() { m_debug_ref_count = true; }
void inc_ref(ast * n) {
if (n)
n->inc_ref();
}
void inc_ref(ast * n);
void dec_ref(ast * n) {
if (n) {
n->dec_ref();
if (n->get_ref_count() == 0)
delete_node(n);
}
}
void dec_ref(ast * n);
template<typename T>
void inc_array_ref(unsigned sz, T * const * a) {