Mercurial > hg > CbC > CbC_llvm
view clang/test/SemaCXX/no-rtti.cpp @ 221:79ff65ed7e25
LLVM12 Original
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Tue, 15 Jun 2021 19:15:29 +0900 |
parents | 1d019706d866 |
children |
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// RUN: %clang_cc1 -triple x86_64-unknown-linux -fsyntax-only -verify -fno-rtti %s namespace std { class type_info; } void f() { (void)typeid(int); // expected-error {{use of typeid requires -frtti}} } namespace { struct A { virtual ~A(){}; }; struct B : public A { B() : A() {} }; } bool isa_B(A *a) { return dynamic_cast<B *>(a) != 0; // expected-error {{use of dynamic_cast requires -frtti}} } void* getMostDerived(A* a) { // This cast does not use RTTI. return dynamic_cast<void *>(a); }