Follow-up Comment #6, bug #15410 (project freeciv):

> I'd expect more warnings from a newer version, not fewer.

Often yes, but sometimes warning situation detection gets more fine grained
and warning is no longer outputted for completely safe constructs.
I have not checked if it's the case here. Anyway, "dereferencing type-punned
pointer will break strict-aliasing rules" happens far more with older gcc
versions (I notice it often when cross-compiling to windows, MinGW version of
gcc is 4.2.1) than newer.

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