LoadPinIndexMap uses PinIdLess as its comparator, which calls
network_->id(pin) and dereferences the Pin pointer. Three tests
created fake Pin* via reinterpret_cast<const Pin*>(&int_var) and
inserted them into LoadPinIndexMap, causing undefined behavior.
With GCC 15.2.0's hardened std::vector::operator[] bounds checking,
this UB manifests as an assertion failure:
vector::operator[]: Assertion '__n < this->size()' failed
Fix by using empty LoadPinIndexMap for gateDelay/gateDelays/
inputPortDelay calls (the comparator is never invoked on an empty
map) and testing wire delay/load slew accessors via
ArcDcalcResult::setLoadCount() directly.
0e40b4f8a1