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handle linref when the argument is an unknown function

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This commit is contained in:
Krasimir Angelov
2022-06-24 06:31:28 +02:00
parent f51f6240b6
commit 635dc380a3
1 changed files with 2 additions and 0 deletions
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src/runtime/c/pgf/linearizer.cxx
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@@ -418,6 +418,8 @@ bool PgfLinearizer::TreeLinrefNode::resolve(PgfLinearizer *linearizer)
{ {
TreeNode *root = args; TreeNode *root = args;
ref<PgfConcrLincat> lincat = root->get_lincat(linearizer); ref<PgfConcrLincat> lincat = root->get_lincat(linearizer);
if (lincat == 0)
return true;
while (lincat->n_lindefs+lin_index < lincat->res->len) { while (lincat->n_lindefs+lin_index < lincat->res->len) {
// Unbind all variables // Unbind all variables