2e8e254d18
This patch updates diagnostics to print fully qualified attribute names, including scope when present.
26 lines
1.1 KiB
C
26 lines
1.1 KiB
C
// RUN: %clang_cc1 -std=c23 %s -verify
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// Validate that the attribute works in C.
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static_assert(!__has_c_attribute(assume));
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static_assert(__has_c_attribute(clang::assume));
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static_assert(__has_attribute(assume));
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void test(int n) {
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// Smoke test.
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__attribute__((assume(true)));
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[[clang::assume(true)]];
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// Test diagnostics
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__attribute__((assume)); // expected-error {{'assume' attribute takes one argument}}
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__attribute__((assume())); // expected-error {{expected expression}}
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[[clang::assume]]; // expected-error {{'assume' attribute takes one argument}}
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[[clang::assume()]]; // expected-error {{expected expression}}
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__attribute__((assume(n++))); // expected-warning {{assumption is ignored because it contains (potential) side-effects}}
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[[clang::assume(n++)]]; // expected-warning {{assumption is ignored because it contains (potential) side-effects}}
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[[clang::assume(true)]] int x; // expected-error {{'clang::assume' attribute cannot be applied to a declaration}}
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__attribute__((assume(true))) int y; // expected-error {{'assume' attribute cannot be applied to a declaration}}
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}
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