44 lines
2.1 KiB
C
44 lines
2.1 KiB
C
/* Test C11 alignment support. Test invalid code. */
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/* { dg-do compile } */
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/* { dg-options "-std=c11 -pedantic-errors" } */
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int a = _Alignof (void (void)); /* { dg-error "function" } */
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struct s;
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int b = _Alignof (struct s); /* { dg-error "incomplete" } */
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int c = _Alignof (void); /* { dg-error "void" } */
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int d = _Alignof (a); /* { dg-error "expression" } */
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_Alignas (void (void)) char e; /* { dg-error "function" } */
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_Alignas (struct s) char f; /* { dg-error "incomplete" } */
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_Alignas (void) char g; /* { dg-error "void" } */
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_Alignas (-__INT_MAX__-1) char h; /* { dg-error "too large|power of 2" } */
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_Alignas (-__INT_MAX__) char h2; /* { dg-error "too large|power of 2" } */
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_Alignas ((-__INT_MAX__-1)/2) char h3; /* { dg-error "too large|power of 2" } */
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_Alignas ((-__INT_MAX__-1)/4) char h4; /* { dg-error "too large|power of 2" } */
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_Alignas ((-__INT_MAX__-1)/8) char h5; /* { dg-error "too large|power of 2" } */
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_Alignas (-__LONG_LONG_MAX__-1) char i; /* { dg-error "too large|power of 2" } */
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_Alignas (-(__LONG_LONG_MAX__-1)/2) char i2; /* { dg-error "too large|power of 2" } */
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_Alignas (-(__LONG_LONG_MAX__-1)/4) char i3; /* { dg-error "too large|power of 2" } */
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_Alignas (-(__LONG_LONG_MAX__-1)/8) char i4; /* { dg-error "too large|power of 2" } */
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_Alignas (-(__LONG_LONG_MAX__-1)/16) char i5; /* { dg-error "too large|power of 2" } */
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_Alignas (-1) char j; /* { dg-error "power of 2" } */
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_Alignas (-2) char j; /* { dg-error "positive power of 2" } */
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_Alignas (3) char k; /* { dg-error "power of 2" } */
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_Alignas ((void *) 1) char k; /* { dg-error "integer constant" } */
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int x;
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_Alignas (x) char l; /* { dg-error "integer constant" } */
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_Alignas (0) struct s; /* { dg-error "does not redeclare tag" } */
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_Alignas (0) typedef int T; /* { dg-error "alignment specified for typedef" } */
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void func (_Alignas (0) int); /* { dg-error "alignment specified for unnamed parameter" } */
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void f2 (_Alignas (0) int parm2) {} /* { dg-error "alignment specified for parameter" } */
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void
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f3 (void)
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{
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register _Alignas (0) int reg; /* { dg-error "register" } */
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}
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_Alignas (0) void f4 (void); /* { dg-error "alignment specified for function" } */
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