// RUN: %clang_cc1 -triple=i386-unknown-unknown -verify -fcf-protection=branch -std=c++11 -fsyntax-only %s // Function pointer definition. [[gnu::nocf_check]] typedef void (*FuncPointerWithNoCfCheck)(void); // no-warning typedef void (*FuncPointer)(void); // Dont allow function declaration and definition mismatch. [[gnu::nocf_check]] void testNoCfCheck(); // expected-note {{previous declaration is here}} void testNoCfCheck(){}; // expected-error {{conflicting types for 'testNoCfCheck'}} // No variable or parameter declaration int [[gnu::nocf_check]] i; // expected-error {{'nocf_check' attribute cannot be applied to types}} void testNoCfCheckImpl(double i [[gnu::nocf_check]]) {} // expected-warning {{'nocf_check' attribute only applies to functions and function pointers}} // Allow attributed function pointers as well as casting between attributed // and non-attributed function pointers. void testNoCfCheckMismatch(FuncPointer f) { FuncPointerWithNoCfCheck fNoCfCheck = f; // expected-error {{cannot initialize a variable of type}} (*fNoCfCheck)(); // no-warning } // 'nocf_check' Attribute has no parameters. [[gnu::nocf_check(1)]] int testNoCfCheckParams(); // expected-error {{'nocf_check' attribute takes no arguments}} |