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111
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1 /* Copyright (C) 2002 Free Software Foundation, Inc.
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2
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3 Tests various diagnostics about a bit-field's type and width.
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4
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5 Source: Neil Booth, 26 Jan 2002.
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6 */
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7
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8 /* { dg-options "-pedantic -std=gnu89" } */
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9
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10 enum foo {e1 = 0, e2, e3, e4, e5};
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11
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12 int x;
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13 typedef unsigned int ui;
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14
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15 struct bf1
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16 {
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17 unsigned int a: 3.5; /* { dg-error "integer constant" } */
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18 unsigned int b: x; /* { dg-error "integer constant" } */
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19 unsigned int c: -1; /* { dg-error "negative width" } */
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20 unsigned int d: 0; /* { dg-error "zero width" } */
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21 unsigned int : 0; /* { dg-bogus "zero width" } */
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22 unsigned int : 5;
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23 double e: 1; /* { dg-error "invalid type" } */
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24 float f: 1; /* { dg-error "invalid type" } */
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25 unsigned long g: 5; /* { dg-warning "GCC extension|ISO C" } */
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26 ui h: 5;
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27 enum foo i: 2; /* { dg-warning "narrower" } */
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28 /* { dg-warning "GCC extension|ISO C" "extension" { target *-*-* } .-1 } */
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29 enum foo j: 3; /* { dg-warning "GCC extension|ISO C" } */
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30 unsigned int k: 256; /* { dg-error "exceeds its type" } */
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31 };
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