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annotate gcc/testsuite/c-c++-common/pr89888.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 /* PR c/89888 */
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2 /* { dg-do compile { target { int32 } } } */
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3 /* { dg-options "" } */
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4
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5 long long y;
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6
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7 void
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8 foo (unsigned char x)
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9 {
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10 switch (x)
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11 {
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12 case -1: y = -1; break; /* { dg-message "previously used here" } */
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13 /* { dg-warning "case label value is less than minimum value for type" "" { target *-*-* } .-1 } */
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14 case 0xffffffff: y = 0xffffffff; break; /* { dg-error "duplicate case value|narrowing" } */
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15 case ~0U: y = ~0U; break; /* { dg-error "duplicate case value|narrowing" } */
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16 }
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17 }
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18
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19 void
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20 bar (unsigned char x)
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21 {
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22 switch (x)
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23 {
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24 case -1: y = -1; break; /* { dg-message "previously used here" } */
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25 /* { dg-warning "case label value is less than minimum value for type" "" { target *-*-* } .-1 } */
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26 case -1: y = -1; break; /* { dg-error "duplicate case value" } */
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27 case -1: y = -1; break; /* { dg-error "duplicate case value" } */
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28 }
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29 }
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30
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31 void
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32 baz (unsigned char x)
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33 {
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34 switch (x)
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35 {
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36 case -7: y = -7; break; /* { dg-warning "case label value is less than minimum value for type" } */
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37 case -5 ... 2: y = -5; break; /* { dg-warning "lower value in case label range less than minimum value for type" } */
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38 case 18: y = 18; break;
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39 case (unsigned char) -2 ... 4 + (unsigned char) -2: y = 2; break; /* { dg-warning "upper value in case label range exceeds maximum value for type" } */
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40 case 24 + (unsigned char) -2: y = 3; break; /* { dg-warning "case label value exceeds maximum value for type" } */
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41 }
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42 }
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43
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44 void
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45 qux (unsigned char x)
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46 {
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47 switch (x)
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48 {
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49 case (unsigned char) -1 ... 1 + (unsigned char) -1: y = 2; break; /* { dg-warning "upper value in case label range exceeds maximum value for type" } */
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50 case -12: y = -7; break; /* { dg-warning "case label value is less than minimum value for type" } */
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51 case 18: y = 18; break;
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52 case 27 + (unsigned char) -1: y = 3; break; /* { dg-warning "case label value exceeds maximum value for type" } */
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53 case -1 ... 0: y = -5; break; /* { dg-warning "lower value in case label range less than minimum value for type" } */
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54 }
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55 }
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56
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57 void
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58 quux (unsigned char x)
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59 {
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60 switch (x)
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61 {
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62 case (unsigned char) -2 ... (unsigned char) -1: y = 2; break;
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63 case 18: y = 18; break;
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64 case 1 + (unsigned char) -1: y = 3; break; /* { dg-warning "case label value exceeds maximum value for type" } */
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65 case -2 ... -1: y = -5; break; /* { dg-warning "case label value is less than minimum value for type" } */
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66 }
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67 }