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annotate gcc/testsuite/c-c++-common/pr51628-26.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/51628. */
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2 /* { dg-do compile } */
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3 /* { dg-options "-O" } */
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4
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5 struct A {
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6 int i;
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7 } __attribute__ ((packed));
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8
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9 struct A p = {1};
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10 int *addr;
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11
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12 int i, j;
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13
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14 void
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15 foo1 (void)
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16 {
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17 addr = (i = -1, &p.i);
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18 /* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */
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19 }
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20
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21 void
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22 foo2 (void)
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23 {
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24 addr = (i = -1, j = -2, &p.i);
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25 /* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */
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26 }
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27
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28 void
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29 foo3 (void)
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30 {
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31 addr = (i = -1, (j = -2, &p.i));
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32 /* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */
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33 }