File: attr-nonblocking-sema.c

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llvm-toolchain-21 1%3A21.1.6-3
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// RUN: %clang_cc1 -fsyntax-only -verify -std=c89 %s

// Tests for a few cases involving C functions without prototypes.

void noproto() __attribute__((nonblocking)) // expected-error {{'nonblocking' function must have a prototype}}
{
}

// This will succeed
void noproto(void) __attribute__((blocking));

// A redeclaration isn't any different - a prototype is required.
void f1(void);
void f1() __attribute__((nonblocking)); // expected-error {{'nonblocking' function must have a prototype}}