forked from OSchip/llvm-project
25 lines
716 B
C++
25 lines
716 B
C++
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// RUN: %clang_cc1 %s -verify -fno-builtin -std=c++14
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using size_t = decltype(sizeof(int));
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#define _diagnose_if(...) __attribute__((diagnose_if(__VA_ARGS__)))
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namespace operator_new {
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struct T0 {
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int j = 0;
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static void *operator new(size_t i) _diagnose_if(i == sizeof(int), "yay", "warning"); // expected-note{{from 'diagnose_if'}}
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};
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struct T1 {
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int j = 0;
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static void *operator new[](size_t i) _diagnose_if(i == 8 * sizeof(int), "yay", "warning"); // expected-note 2{{from 'diagnose_if'}}
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};
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void run(int x) {
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new T0; // expected-warning{{yay}}
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new T1[8]; // expected-warning{{yay}}
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new T1[4][2]; // expected-warning{{yay}}
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new T1[x]; // no warning.
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}
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} // namespace operator_new
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