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annotate gcc/testsuite/gcc.dg/c2x-attr-syntax-2.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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145
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1 /* Test C2x attribute syntax. Test ignored attributes diagnosed. */
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2 /* { dg-do compile } */
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3 /* { dg-options "-std=c2x -pedantic-errors" } */
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4
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5 /* A GNU attribute that is valid in some contexts, but should be
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6 diagnosed in contexts where all attributes are ignored (attribute
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7 declarations, except for fallthrough attributes, and
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8 statements). */
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9 #define CTX [[gnu::const]]
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10
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11 /* An attribute that is unknown, so ignored with a warning. */
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12 #define UNK [[gnu::no_such_attribute(![!(!)!]!,;;)]]
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13
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14 CTX; /* { dg-warning "ignored" } */
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15 UNK; /* { dg-warning "ignored" } */
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16
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17 UNK extern int a; /* { dg-warning "ignored" } */
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18 extern int UNK a; /* { dg-warning "ignored" } */
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19 extern int a UNK; /* { dg-warning "ignored" } */
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20
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21 int f () UNK; /* { dg-warning "ignored" } */
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22 int f (void) UNK; /* { dg-warning "ignored" } */
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23 int g (UNK int a); /* { dg-warning "ignored" } */
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24 int g (int UNK a); /* { dg-warning "ignored" } */
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25 int g (int a UNK); /* { dg-warning "ignored" } */
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26 int g (UNK int); /* { dg-warning "ignored" } */
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27 int g (int UNK); /* { dg-warning "ignored" } */
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28 int g (int) UNK; /* { dg-warning "ignored" } */
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29
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30 int *UNK p; /* { dg-warning "ignored" } */
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31 int b[3] UNK; /* { dg-warning "ignored" } */
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32
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33 int h (int () UNK); /* { dg-warning "ignored" } */
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34
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35 struct UNK s; /* { dg-warning "ignored" } */
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36 union UNK u; /* { dg-warning "ignored" } */
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37
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38 struct UNK s2 { int a; }; /* { dg-warning "ignored" } */
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39 union UNK u2 { int a; }; /* { dg-warning "ignored" } */
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40
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41 struct s3 { UNK int a; }; /* { dg-warning "ignored" } */
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42 struct s4 { int UNK a; }; /* { dg-warning "ignored" } */
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43 union u3 { UNK int a; }; /* { dg-warning "ignored" } */
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44 union u4 { int UNK a; }; /* { dg-warning "ignored" } */
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45
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46 int z = sizeof (int UNK); /* { dg-warning "ignored" } */
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47
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48 enum UNK { E1 }; /* { dg-warning "ignored" } */
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49 enum { E2 UNK }; /* { dg-warning "ignored" } */
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50 enum { E3 UNK = 4 }; /* { dg-warning "ignored" } */
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51
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52 void
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53 func (void) UNK { /* { dg-warning "ignored" } */
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54 UNK int var; /* { dg-warning "ignored" } */
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55 CTX { } /* { dg-warning "ignored" } */
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56 CTX; /* { dg-warning "ignored" } */
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57 CTX var = 1; /* { dg-warning "ignored" } */
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58 CTX x: var = 2; /* { dg-warning "ignored" } */
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59 for (UNK int zz = 1; zz < 10; zz++) ; /* { dg-warning "ignored" } */
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60 }