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mark also ast in parameters as GC roots. Issue #676

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-07-17 19:16:15 -04:00
parent 64674386de
commit cf48eb5f72
2 changed files with 81 additions and 61 deletions
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10
src/ast/ast.cpp
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@ -1393,6 +1393,14 @@ static void mark_array_ref(ast_mark& mark, unsigned sz, T * const * a) {
}
}
static void mark_array_ref(ast_mark& mark, unsigned sz, parameter const * a) {
for(unsigned i = 0; i < sz; i++) {
if (a[i].is_ast()) {
mark.mark(a[i].get_ast(), true);
}
}
}
ast_manager::~ast_manager() {
SASSERT(is_format_manager() || !m_family_manager.has_family(symbol("format")));
@ -1423,8 +1431,10 @@ ast_manager::~ast_manager() {
ast* n = (*it_a);
switch (n->get_kind()) {
case AST_SORT:
mark_array_ref(mark, to_sort(n)->get_info()->get_num_parameters(), to_sort(n)->get_info()->get_parameters());
break;
case AST_FUNC_DECL:
mark_array_ref(mark, to_func_decl(n)->get_info()->get_num_parameters(), to_func_decl(n)->get_info()->get_parameters());
mark_array_ref(mark, to_func_decl(n)->get_arity(), to_func_decl(n)->get_domain());
mark.mark(to_func_decl(n)->get_range(), true);
break;