Brendan Miller <catphive@xxxxxxxxxxxx> writes: > Say I have a C++ function like this: > > void my_function() { > static int x = 0; > } > > Then will initialization of x to 0 be delayed until the first call of > the function? The ABI spec talks about that here: > http://www.codesourcery.com/public/cxx-abi/abi.html#once-ctor > > I was unclear whether this only applies to objects with constructors, > or whether it also applies to POD initialized with a constant, as > above. It only applies to objects which are dynamically initialized, with a constructor or with a non-constant initial value. It does not apply to something like your example above, in which a POD is initialized with a constant. Ian