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111
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1 /* Test for -Wtraditional warnings on integer constant types.
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2 Note, gcc should omit these warnings in system header files.
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3 By Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 8/22/2000. */
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4 /* { dg-do compile } */
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5 /* { dg-options "-std=c99 -Wtraditional" } */
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6
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7 void
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8 testfunc ()
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9 {
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10 long long i;
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11
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12 /* Octal and hex values shouldn't issue -Wtraditional warnings. */
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13 i = 0x80000000;
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14 i = 0xFFFFFFFF;
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15 i = 037777777777;
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16
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17 i = 0x8000000000000000;
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18 i = 0xFFFFFFFFFFFFFFFF;
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19 i = 01777777777777777777777;
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20
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21 /* Nor should values outside the range of (32-bit) unsigned long but
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22 inside the range of long long. [since -traditional has no long long,
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23 we can pretend it worked the way it does in C99.] */
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24 i = 9223372036854775807;
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25
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26 /* But this one should, since it doesn't fit in long (long), but
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27 does fit in unsigned long (long). */
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28 i = 18446744073709551615; /* { dg-warning "integer constant is so large that it is unsigned" "so large" } */
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29 /* { dg-warning "this decimal constant would be unsigned in ISO C90" "ISO C90" { target *-*-* } .-1 } */
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30
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31 # 29 "sys-header.h" 3
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32 }
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33
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34 void
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35 testfunc2( )
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36 {
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37 long long i;
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38
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39 /* We are in system headers now, no -Wtraditional warnings should issue. */
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40
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41 i = 0x80000000;
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42 i = 0xFFFFFFFF;
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43 i = 037777777777;
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44
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45 i = 0x8000000000000000;
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46 i = 0xFFFFFFFFFFFFFFFF;
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47 i = 01777777777777777777777;
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48
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49 i = 9223372036854775807;
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50 i = 18446744073709551615;
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51 }
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52
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