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annotate gcc/testsuite/c-c++-common/nonnull-2.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* Test for the bad usage of "nonnull" function attribute parms. */
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2 /* { dg-do compile } */
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3 /* { dg-options "-Wnonnull-compare" } */
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4
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5 void bar (char **);
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6
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7 __attribute__((nonnull (1, 3))) int
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8 foo (char *cp1, char *cp2, char *cp3, char *cp4)
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9 {
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1830386684a0 gcc-9.2.0
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10 if (cp1 == (char *) 0) /* { dg-warning "'nonnull' argument" "cp1 compared to NULL" } */
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11 return 1;
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12
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13 cp1 = cp2;
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14 if (cp1 == (char *) 0) /* { dg-bogus "'nonnull' argument" } */
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15 return 2;
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16
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17 if (!cp4) /* { dg-bogus "'nonnull' argument" } */
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18 return 3;
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19
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20 char **p = &cp3;
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21 bar (p);
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22 if (cp3 == (char *) 0) /* { dg-bogus "'nonnull' argument" } */
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23 return 4;
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24
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25 return 5;
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26 }