Fix assertion failure in TTreeCache

root-project · Dec 11, 2024 · edf7cb5 · edf7cb5
1 parent 98cb74d
commit edf7cb5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tree/tree/src/TTreeCache.cxx b/tree/tree/src/TTreeCache.cxx
@@ -902,7 +902,7 @@ bool TTreeCache::ProcessMiss(Long64_t pos, int len)
       mcentry.fIndex = cumulative;
       cumulative += mcentry.fIO.fLen;
    }
-   fMissCache->fData.reserve(cumulative);
+   fMissCache->fData.resize(cumulative);
    // printf("Reading %lu bytes into miss cache for %lu entries.\n", cumulative, fEntries->size());
    fNMissReadPref += fMissCache->fEntries.size();
    fFile->ReadBuffers(&(fMissCache->fData[0]), &(positions[0]), &(lengths[0]), fMissCache->fEntries.size());