forked from OSchip/llvm-project
73 lines
1.6 KiB
C++
73 lines
1.6 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -pedantic -verify %s
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void f() {
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typedef int T;
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int x, *px;
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// Type id.
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(T())x; // expected-error {{cast from 'int' to 'T ()'}}
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(T())+x; // expected-error {{cast from 'int' to 'T ()'}}
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(T())*px; // expected-error {{cast from 'int' to 'T ()'}}
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// Expression.
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x = (T());
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x = (T())/x;
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typedef int *PT;
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// Make sure stuff inside the parens are parsed only once (only one warning).
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x = (PT()[(int){1}]); // expected-warning {{compound literals}}
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// Special case: empty parens is a call, not an expression
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struct S{int operator()();};
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(S())();
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// Special case: "++" is postfix here, not prefix
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(S())++; // expected-error {{cannot increment value of type 'S'}}
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struct X { int &operator++(int); X operator[](int); int &operator++(); };
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int &postfix_incr = (X()[3])++;
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(X())++ ++; // ok, not a C-style cast
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(X())++ ++X(); // expected-error {{C-style cast from 'int' to 'X ()'}}
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int q = (int)++(x);
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}
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// Make sure we do tentative parsing correctly in conditions.
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typedef int type;
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struct rec { rec(int); };
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namespace ns {
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typedef int type;
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struct rec { rec(int); };
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}
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struct cls {
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typedef int type;
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struct rec { rec(int); };
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};
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struct result {
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template <class T> result(T);
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bool check();
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};
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void test(int i) {
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if (result((cls::type) i).check())
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return;
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if (result((ns::type) i).check())
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return;
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if (result((::type) i).check())
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return;
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if (result((cls::rec) i).check())
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return;
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if (result((ns::rec) i).check())
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return;
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if (result((::rec) i).check())
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return;
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}
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