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25 lines
1.4 KiB
C++
25 lines
1.4 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify -triple i686-linux-pc -target-feature +sse2 %s
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// RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-linux-pc %s
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// RUN: %clang_cc1 -fsyntax-only -verify -triple spir-unknown-unknown %s
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// RUN: %clang_cc1 -fsyntax-only -verify -triple armv7a-linux-gnu %s
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// RUN: %clang_cc1 -fsyntax-only -verify -triple aarch64-linux-gnu %s
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// RUN: %clang_cc1 -fsyntax-only -verify -triple riscv32 %s
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// RUN: %clang_cc1 -fsyntax-only -verify -triple riscv64 %s
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template <typename... Args>
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__attribute__((format(printf, 1, 2)))
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void format(const char *fmt, Args &&...args); // expected-warning{{GCC requires a function with the 'format' attribute to be variadic}}
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template<typename... Args>
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__attribute__((format(scanf, 1, 2)))
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int scan(const char *fmt, Args &&...args); // expected-warning{{GCC requires a function with the 'format' attribute to be variadic}}
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void do_format() {
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format("%f", (_Float16)123.f); // expected-warning{{format specifies type 'double' but the argument has type '_Float16'}}
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_Float16 Float16;
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scan("%f", &Float16); // expected-warning{{format specifies type 'float *' but the argument has type '_Float16 *'}}
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scan("%lf", &Float16); // expected-warning{{format specifies type 'double *' but the argument has type '_Float16 *'}}
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scan("%Lf", &Float16); // expected-warning{{format specifies type 'long double *' but the argument has type '_Float16 *'}}
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}
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