This is the first time I'm trying to use QMap with QtConcurrent, and blockingMapped().
It sometimes works, sometimes doesn't. I've created a minimal test case that seems to crash in the same way. It seems to crash in varying places. namely: qmap.h: template <class Key> inline bool qMapLessThanKey(const Key &key1, const Key &key2) { return key1 < key2; } But in my software it seems to come from line 42: QList<QVector3D> hp = haystack_points[haystack_item]; I've already haystack_points to a 1001 item map, I think something else has deleted it? Maybe my use of a class with mapped() is wrong? Any help is appreciated.
main.cpp
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