25 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -verify -triple i686-linux-pc -target-feature +sse2 %s2// RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-linux-pc %s3// RUN: %clang_cc1 -fsyntax-only -verify -triple spir-unknown-unknown %s4// RUN: %clang_cc1 -fsyntax-only -verify -triple armv7a-linux-gnu %s5// RUN: %clang_cc1 -fsyntax-only -verify -triple aarch64-linux-gnu %s6// RUN: %clang_cc1 -fsyntax-only -verify -triple riscv32 %s7// RUN: %clang_cc1 -fsyntax-only -verify -triple riscv64 %s8 9template <typename... Args>10__attribute__((format(printf, 1, 2)))11void format(const char *fmt, Args &&...args); // expected-warning{{GCC requires a function with the 'format' attribute to be variadic}}12 13template<typename... Args>14__attribute__((format(scanf, 1, 2)))15int scan(const char *fmt, Args &&...args); // expected-warning{{GCC requires a function with the 'format' attribute to be variadic}}16 17void do_format() {18 format("%f", (_Float16)123.f); // expected-warning{{format specifies type 'double' but the argument has type '_Float16'}}19 20 _Float16 Float16;21 scan("%f", &Float16); // expected-warning{{format specifies type 'float *' but the argument has type '_Float16 *'}}22 scan("%lf", &Float16); // expected-warning{{format specifies type 'double *' but the argument has type '_Float16 *'}}23 scan("%Lf", &Float16); // expected-warning{{format specifies type 'long double *' but the argument has type '_Float16 *'}}24}25