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annotate gcc/testsuite/gcc.dg/pr51628-19.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 void foo (int *);
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6
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7 int *
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8 bar (int n, int k, void *ptr)
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9 {
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10 struct A
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11 {
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12 char c[k];
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13 int x[n];
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14 } __attribute__ ((packed));
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15 struct A *p = (struct A *) ptr;
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16
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17 int *p0, *p1;
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18 p0 = p->x;
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19 /* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */
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20 foo (p0);
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21 p1 = &p->x[1];
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22 /* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */
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23 foo (p1);
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24 return &p->x[1];
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25 /* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */
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26 }