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a74031b640
An attempt to use dynamic_cast while rtti is disabled, used to emit the error: cannot use dynamic_cast with -fno-rtti and a similar one for typeid. This patch changes that to: use of dynamic_cast requires -frtti Differential Revision: https://reviews.llvm.org/D47291 llvm-svn: 334153
30 lines
483 B
C++
30 lines
483 B
C++
// RUN: %clang_cc1 -fsyntax-only -verify -fno-rtti %s
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namespace std {
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class type_info;
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}
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void f()
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{
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(void)typeid(int); // expected-error {{use of typeid requires -frtti}}
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}
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namespace {
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struct A {
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virtual ~A(){};
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};
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struct B : public A {
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B() : A() {}
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};
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}
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bool isa_B(A *a) {
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return dynamic_cast<B *>(a) != 0; // expected-error {{use of dynamic_cast requires -frtti}}
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}
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void* getMostDerived(A* a) {
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// This cast does not use RTTI.
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return dynamic_cast<void *>(a);
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}
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