forked from OSchip/llvm-project
20 lines
611 B
C
20 lines
611 B
C
// RUN: clang %s -fsyntax-only -verify
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// rdar://6587766
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int fn1() __attribute__ ((warn_unused_result));
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int fn2() __attribute__ ((pure));
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int fn3() __attribute__ ((const));
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int foo() {
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if (fn1() < 0 || fn2(2,1) < 0 || fn3(2) < 0) // no warnings
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return -1;
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fn1(); // expected-warning {{expression result unused}}
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fn2(92, 21); // expected-warning {{expression result unused}}
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fn3(42); // expected-warning {{expression result unused}}
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return 0;
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}
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int bar __attribute__ ((warn_unused_result)); // expected-warning {{warning: 'warn_unused_result' attribute only applies to function types}}
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