YouCompleteMe/cpp/llvm/tools/clang/test/Sema/annotate.c

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// RUN: %clang_cc1 %s -fsyntax-only -verify
void __attribute__((annotate("foo"))) foo(float *a) {
__attribute__((annotate("bar"))) int x;
__attribute__((annotate(1))) int y; // expected-error {{argument to annotate attribute was not a string literal}}
__attribute__((annotate("bar", 1))) int z; // expected-error {{attribute takes one argument}}
int u = __builtin_annotation(z, (char*) 0); // expected-error {{__builtin_annotation requires a non wide string constant}}
int v = __builtin_annotation(z, (char*) L"bar"); // expected-error {{__builtin_annotation requires a non wide string constant}}
int w = __builtin_annotation(z, "foo");
}