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Re: [Bug target/14557] va_list is automatically taken address-ofwhen passed as argument
&ap should always work; taking the address of an array produces a
pointer to the array, which has a different type but the same value as
the pointer to the first element that you get if you don't take the
address. You have to write *ap in the callee, is all.
As far as I can see the original example is strictly conforming and
the warning should not be issued.
zw