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https://github.com/Gericom/teak-llvm.git
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1a99f441e6
Remove an atrocious amount of trailing whitespace in the overloaded operator mangler. Sorry, couldn't help myself. Change the DeclType parameter of Sema::CheckReferenceInit to be passed by value instead of reference. It wasn't changed anywhere. Let the parser handle C++'s irregular grammar around assignment-expression and conditional-expression. And finally, the reason for all this stuff: implement C++ semantics for the conditional operator. The implementation is complete except for determining lvalueness. llvm-svn: 69299
64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
// RUN: clang-cc -fsyntax-only -verify %s
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class X {
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public:
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operator bool();
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operator int() const;
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bool f() {
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return operator bool();
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}
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float g() {
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return operator float(); // expected-error{{no matching function for call to 'operator float'}}
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}
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};
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operator int(); // expected-error{{conversion function must be a non-static member function}}
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operator int; // expected-error{{'operator int' cannot be the name of a variable or data member}}
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typedef int func_type(int);
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typedef int array_type[10];
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class Y {
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public:
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void operator bool(int, ...) const; // expected-error{{conversion function cannot have a return type}} \
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// expected-error{{conversion function cannot have any parameters}} \
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// expected-error{{conversion function cannot be variadic}}
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operator func_type(); // expected-error{{conversion function cannot convert to a function type}}
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operator array_type(); // expected-error{{conversion function cannot convert to an array type}}
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};
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typedef int INT;
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typedef INT* INT_PTR;
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class Z {
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operator int(); // expected-note {{previous declaration is here}}
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operator int**(); // expected-note {{previous declaration is here}}
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operator INT(); // expected-error{{conversion function cannot be redeclared}}
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operator INT_PTR*(); // expected-error{{conversion function cannot be redeclared}}
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};
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class A { };
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class B : public A {
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public:
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operator A&() const; // expected-warning{{conversion function converting 'class B' to its base class 'class A' will never be used}}
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operator const void() const; // expected-warning{{conversion function converting 'class B' to 'void const' will never be used}}
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operator const B(); // expected-warning{{conversion function converting 'class B' to itself will never be used}}
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};
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// This used to crash Clang.
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struct Flip;
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struct Flop {
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Flop();
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Flop(const Flip&);
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};
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struct Flip {
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operator Flop() const;
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};
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Flop flop = Flip(); // expected-error {{cannot initialize 'flop' with an rvalue of type 'struct Flip'}}
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