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37 lines
1.2 KiB
37 lines
1.2 KiB
// RUN: %clang_cc1 -triple x86_64-linux-gnu -fsyntax-only -verify -std=c++11 %s
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// Make sure we handle contexts correctly with sizeof
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template<typename T> void f(T n) {
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int buffer[n];
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[] { int x = sizeof(sizeof(buffer)); }();
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}
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int main() {
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f<int>(1);
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}
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// Make sure we handle references to non-static data members in unevaluated
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// contexts in class template methods correctly. Previously we assumed these
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// would be valid MemberRefExprs, but they have no 'this' so we need to form a
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// DeclRefExpr to the FieldDecl instead.
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// PR26893
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template <class T>
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struct M {
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M() {}; // expected-note {{in instantiation of default member initializer 'M<S>::m' requested here}}
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int m = *T::x; // expected-error {{invalid use of non-static data member 'x'}}
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void f() {
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// These are valid.
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static_assert(sizeof(T::x) == 8, "ptr");
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static_assert(sizeof(*T::x) == 4, "int");
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}
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};
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struct S { int *x; };
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template struct M<S>; // expected-note {{in instantiation of member function 'M<S>::M' requested here}}
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// Similar test case for PR26893.
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template <typename T=void>
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struct bar {
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struct foo { int array[10]; };
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int baz() { return sizeof(foo::array); }
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};
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template struct bar<>;
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