4 __builtin_va_list ap;  variable
8 …__builtin_va_start(ap, s); // expected-warning {{passing an object of reference type to 'va_start'…  in f()
12   __builtin_va_start(ap, i); // UB in C, OK in C++  in g()
18 …__builtin_va_start(ap, a); // expected-warning {{second argument to 'va_start' is not the last nam…  in no_params()
27     void meth(int a, int b = (__builtin_va_start(ap, a), 0)) {}  in record_context()
34   (void)__builtin_va_arg(ap, Unscoped1); // ok  in promotable()
37   (void)__builtin_va_arg(ap, Unscoped2); // ok  in promotable()
40   (void)__builtin_va_arg(ap, Scoped); // ok  in promotable()
43   (void)__builtin_va_arg(ap, Fixed); // ok  in promotable()
46 …(void)__builtin_va_arg(ap, FixedSmall); // expected-warning {{second argument to 'va_arg' is of pr…  in promotable()
49   (void)__builtin_va_arg(ap, FixedLarge); // ok  in promotable()
52   (void)__builtin_va_arg(ap, const volatile int);  // ok  in promotable()
55   (void)__builtin_va_arg(ap, unsigned int);  in promotable()
57 …(void)__builtin_va_arg(ap, bool); // expected-warning {{second argument to 'va_arg' is of promotab…  in promotable()
66     __builtin_va_start(ap, b); // expected-error {{'va_start' used in function with fixed args}}  in fixed_lambda_varargs_function()
71     __builtin_va_start(ap, b); // correct  in varargs_lambda_fixed_function()
76   __builtin_va_start(ap, f); // expected-error {{'va_start' used in function with fixed args}}  in __anone3303e310302()
79   __builtin_va_start(ap, f); // correct  in __anone3303e310402()
86     int b = (__builtin_va_start(ap, a), 0);  in record_member_init()