On Wed, Oct 17, 2012 at 6:00 PM, Weiming Zhao <[email protected]> wrote:
> Hi Eli,
>
> Thanks for your info.
>
> Do you mean, in ActOnVAArg or BuildVAArgExpr, it needs
> InitializationSequence, InitializedEntity if va_list is a record type? (I'm
> not familiar with this)
In C++, yes; it's the same sort of check we would perform if you
called a function like "void f(va_list&);". (In C, the existing check
is fine.)
A testcase would be to make sure we print a reasonable error message
for the following in C++:
__builtin_va_list a();
int b() {
return __builtin_va_arg(a(), int);
}
-Eli
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