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30adb9fd27
CT_Dependent
When compile following code without -std=c++17, clang will abort by
llvm_unreachable:
class A {
public:
static const char X;
};
const char A::X = 0;
template<typename U> void func() noexcept(U::X);
template<class... B, char x>
void foo(void(B...) noexcept(x)) {}
void bar()
{
foo(func<A>);
}
So, my solution is to let EST_Uninstantiated in
FunctionProtoType::canThrow return CT_Dependent
Differential Revision: https://reviews.llvm.org/D121498
33 lines
658 B
C++
33 lines
658 B
C++
// RUN: %clang_cc1 -verify %s
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// RUN: %clang_cc1 -std=c++11 -verify %s
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// RUN: %clang_cc1 -std=c++17 -verify %s
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// RUN: %clang_cc1 -std=c++1z -verify %s
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#if __cplusplus >= 201703
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// expected-no-diagnostics
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#endif
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class A {
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public:
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static const char X;
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};
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const char A::X = 0;
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template<typename U> void func() noexcept(U::X);
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template<class... B, char x>
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#if __cplusplus >= 201703
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void foo(void(B...) noexcept(x)) {}
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#else
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void foo(void(B...) noexcept(x)) {} // expected-note{{candidate template ignored}}
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#endif
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void bar()
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{
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#if __cplusplus >= 201703
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foo(func<A>);
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#else
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foo(func<A>); // expected-error{{no matching function for call}}
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#endif
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}
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