blitter: allocate space of cache key
The util_hash_table is not keeping an internal copy of the key, as the structure is larger than a pointer, the key we had in memory was not what we thought it was.
Create a copy of the key before storing it.
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The util_hash_table is not keeping an internal copy of the key, as the structure is larger than a pointer, the key we had in memory was not what we thought it was.
Create a copy of the key before storing it.