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Always set last type id

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This commit is contained in:
Anders Hejlsberg
2021-10-30 08:24:28 -07:00
parent 86185ad96b
commit 52e10d3a98
1 changed files with 8 additions and 6 deletions
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src/compiler/checker.ts
+8 -6
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@@ -20366,12 +20366,14 @@ namespace ts {
let lastTypeId = 0;
for (let i = 0; i < depth; i++) {
const t = stack[i];
// We only count occurrences with higher type ids than the previous occurrences, since higher
// type ids are an indicator of newer instantiations caused by recursion.
if (getRecursionIdentity(t) === identity && t.id >= lastTypeId) {
count++;
if (count >= maxDepth) {
return true;
if (getRecursionIdentity(t) === identity) {
// We only count occurrences with a higher type id than the previous occurrence, since higher
// type ids are an indicator of newer instantiations caused by recursion.
if (t.id >= lastTypeId) {
count++;
if (count >= maxDepth) {
return true;
}
}
lastTypeId = t.id;
}