Method intern

src/simulate/heap.cpp:239–248

    }

    char * StringHeapAllocator::intern(const char * str, uint64_t length) const {
        if ( needIntern ) {
            // Intern caps at 4GB string length — StrHashEntry stores length as uint32.
            DAS_ASSERTF(length <= UINT32_MAX, "intern requires length < 4GB, got %llu", (unsigned long long)length);
            auto it = internMap.find(StrHashEntry(str,uint32_t(length)));
            return it != internMap.end() ? (char *)it->ptr : nullptr;
        } else {
            return nullptr;
        }
    }

    void StringHeapAllocator::recognize ( char * str ) {
        if ( !str ) return;