forked from OSchip/llvm-project
116 lines
4.0 KiB
C
116 lines
4.0 KiB
C
// RUN: %clang_cc1 -fsyntax-only -verify %s -pedantic -std=c99
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int __attribute__(()) x;
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__inline void __attribute__((__always_inline__, __nodebug__))
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foo(void) {
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}
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__attribute__(()) y; // expected-warning {{defaults to 'int'}}
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// PR2796
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int (__attribute__(()) *z)(long y);
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void f1(__attribute__(()) int x);
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int f2(y, __attribute__(()) x); // expected-error {{expected identifier}}
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// This is parsed as a normal argument list (with two args that are implicit
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// int) because the __attribute__ is a declspec.
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void f3(__attribute__(()) x, // expected-warning {{defaults to 'int'}}
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y); // expected-warning {{defaults to 'int'}}
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void f4(__attribute__(())); // expected-error {{expected parameter declarator}}
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// This is ok, the __attribute__ applies to the pointer.
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int baz(int (__attribute__(()) *x)(long y));
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void g1(void (*f1)(__attribute__(()) int x));
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void g2(int (*f2)(y, __attribute__(()) x)); // expected-error {{expected identifier}}
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void g3(void (*f3)(__attribute__(()) x, int y)); // expected-warning {{defaults to 'int'}}
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void g4(void (*f4)(__attribute__(()))); // expected-error {{expected parameter declarator}}
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void (*h1)(void (*f1)(__attribute__(()) int x));
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void (*h2)(int (*f2)(y, __attribute__(()) x)); // expected-error {{expected identifier}}
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void (*h3)(void (*f3)(__attribute__(()) x)); // expected-warning {{defaults to 'int'}}
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void (*h4)(void (*f4)(__attribute__(()))); // expected-error {{expected parameter declarator}}
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// rdar://6131260
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int foo42(void) {
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int x, __attribute__((unused)) y, z;
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return 0;
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}
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// rdar://6096491
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void __attribute__((noreturn)) d0(void), __attribute__((noreturn)) d1(void);
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void d2(void) __attribute__((noreturn)), d3(void) __attribute__((noreturn));
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// PR6287
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void __attribute__((returns_twice)) returns_twice_test();
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int aligned(int);
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int __attribute__((vec_type_hint(char, aligned(16) )) missing_rparen_1; // expected-error 2{{expected ')'}} expected-note {{to match}} expected-warning {{does not declare anything}}
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int __attribute__((mode(x aligned(16) )) missing_rparen_2; // expected-error 2{{expected ')'}}
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int __attribute__((format(printf, 0 aligned(16) )) missing_rparen_3; // expected-error 2{{expected ')'}}
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int testFundef1(int *a) __attribute__((nonnull(1))) { // \
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// expected-warning {{GCC does not allow 'nonnull' attribute in this position on a function definition}}
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return *a;
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}
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// noreturn is lifted to type qualifier
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void testFundef2() __attribute__((noreturn)) { // \
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// expected-warning {{GCC does not allow 'noreturn' attribute in this position on a function definition}}
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testFundef2();
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}
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int testFundef3(int *a) __attribute__((nonnull(1), // \
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// expected-warning {{GCC does not allow 'nonnull' attribute in this position on a function definition}}
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pure)) { // \
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// expected-warning {{GCC does not allow 'pure' attribute in this position on a function definition}}
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return *a;
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}
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int testFundef4(int *a) __attribute__((nonnull(1))) // \
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// expected-warning {{GCC does not allow 'nonnull' attribute in this position on a function definition}}
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__attribute((pure)) { // \
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// expected-warning {{GCC does not allow 'pure' attribute in this position on a function definition}}
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return *a;
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}
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// GCC allows these
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void testFundef5() __attribute__(()) { }
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__attribute__((pure)) int testFundef6(int a) { return a; }
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void deprecatedTestFun(void) __attribute__((deprecated()));
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struct s {
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int a;
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};
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// This test ensure compatibility with parsing GNU-style attributes
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// where the attribute is on a separate line from the elaborated type
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// specifier.
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struct s
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__attribute__((used)) bar;
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// Ensure that attributes must be separated by a comma (PR38352).
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__attribute__((const const)) int PR38352(void); // expected-error {{expected ')'}}
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// Also ensure that we accept spurious commas.
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__attribute__((,,,const)) int PR38352_1(void);
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__attribute__((const,,,)) int PR38352_2(void);
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__attribute__((const,,,const)) int PR38352_3(void);
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__attribute__((,,,const,,,const,,,)) int PR38352_4(void);
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