28 lines
967 B
C
28 lines
967 B
C
/* Test C11 _Generic. Error cases. */
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/* { dg-do compile } */
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/* { dg-options "-std=c11 -pedantic-errors" } */
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struct incomplete;
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void
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f (int n)
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{
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/* Multiple 'default's. */
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_Generic (n, default: 1, default: 2); /* { dg-error "duplicate .*default.* case" } */
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/* Variably-modified type not ok. */
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_Generic (n, int[n]: 0, default: 1); /* { dg-error "variable length type" } */
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/* Type must be complete. */
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_Generic (n, struct incomplete: 0, default: 1); /* { dg-error "incomplete type" } */
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_Generic (n, void: 0, default: 1); /* { dg-error "incomplete type" } */
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/* Type must be object type. */
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_Generic (n, void (void): 0, default: 1); /* { dg-error "function type" } */
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/* Two compatible types in association list. */
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_Generic (&n, int: 5, signed int: 7, default: 23); /* { dg-error "two compatible types" } */
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/* No matching association. */
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_Generic (n, void *: 5); /* { dg-error "not compatible with any association" } */
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}
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