ad2d6bbb14
Double square bracket attribute arguments can be arbitrarily complex, and the attribute argument parsing logic recovers by skipping tokens. As a fallback recovery mechanism, parse recovery stops before reading a semicolon. This could lead to an infinite loop in the attribute list parsing logic.
45 lines
2.1 KiB
C++
45 lines
2.1 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s
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class c {
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virtual void f1(const char* a, ...)
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__attribute__ (( __format__(__printf__,2,3) )) = 0;
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virtual void f2(const char* a, ...)
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__attribute__ (( __format__(__printf__,2,3) )) {}
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};
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template <typename T> class X {
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template <typename S> void X<S>::f() __attribute__((locks_excluded())); // expected-error{{nested name specifier 'X<S>::' for declaration does not refer into a class, class template or class template partial specialization}} \
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// expected-warning{{attribute locks_excluded ignored, because it is not attached to a declaration}}
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};
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namespace PR17666 {
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const int A = 1;
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typedef int __attribute__((__aligned__(A))) T1;
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int check1[__alignof__(T1) == 1 ? 1 : -1];
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typedef int __attribute__((aligned(int(1)))) T1;
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typedef int __attribute__((aligned(int))) T2; // expected-error {{expected '(' for function-style cast}}
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}
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__attribute((typename)) int x; // expected-warning {{unknown attribute 'typename' ignored}}
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void fn() {
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void (*__attribute__((attr)) fn_ptr)() = &fn; // expected-warning{{unknown attribute 'attr' ignored}}
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void (*__attribute__((attrA)) *__attribute__((attrB)) fn_ptr_ptr)() = &fn_ptr; // expected-warning{{unknown attribute 'attrA' ignored}} expected-warning{{unknown attribute 'attrB' ignored}}
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void (&__attribute__((attr)) fn_lref)() = fn; // expected-warning{{unknown attribute 'attr' ignored}}
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void (&&__attribute__((attr)) fn_rref)() = fn; // expected-warning{{unknown attribute 'attr' ignored}}
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int i[5];
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int (*__attribute__((attr(i[1]))) pi); // expected-warning{{unknown attribute 'attr' ignored}}
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pi = &i[0];
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}
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[[deprecated([""])]] int WrongArgs; // expected-error {{expected variable name or 'this' in lambda capture list}}
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[[,,,,,]] int Commas1; // ok
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[[,, maybe_unused]] int Commas2; // ok
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[[maybe_unused,,,]] int Commas3; // ok
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[[,,maybe_unused,]] int Commas4; // ok
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[[foo bar]] int NoComma; // expected-error {{expected ','}} \
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// expected-warning {{unknown attribute 'foo' ignored}}
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