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annotate gcc/testsuite/c-c++-common/Waddress-of-packed-member-2.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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Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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145
1830386684a0 gcc-9.2.0
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1 /* { dg-do compile } */
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2 /* { dg-options "-Waddress-of-packed-member" } */
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3
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4 struct r {
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5 int a[10];
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6 int b[10][10];
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7 int ****i4;
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8 };
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9
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10 struct s {
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11 char c;
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12 struct r p;
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13 } __attribute__((packed));
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14
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15 struct t {
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16 char c;
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17 struct r p __attribute__((packed));
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18 struct r u;
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19 };
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20
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21 struct s s0;
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22 struct t t0;
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23 int *i0;
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24
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25 void foo (void)
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26 {
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27 i0 = s0.p.a; /* { dg-warning "may result in an unaligned pointer value" } */
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28 i0 = t0.p.a; /* { dg-warning "may result in an unaligned pointer value" } */
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29 i0 = s0.p.b[0]; /* { dg-warning "may result in an unaligned pointer value" } */
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30 i0 = t0.p.b[0]; /* { dg-warning "may result in an unaligned pointer value" } */
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31 i0 = &s0.p.a[0]; /* { dg-warning "may result in an unaligned pointer value" } */
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32 i0 = &t0.p.a[0]; /* { dg-warning "may result in an unaligned pointer value" } */
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33 i0 = &s0.p.b[0][0]; /* { dg-warning "may result in an unaligned pointer value" } */
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34 i0 = &t0.p.b[0][0]; /* { dg-warning "may result in an unaligned pointer value" } */
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35 i0 = *s0.p.b; /* { dg-warning "may result in an unaligned pointer value" } */
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36 i0 = *t0.p.b; /* { dg-warning "may result in an unaligned pointer value" } */
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37 i0 = &**s0.p.b; /* { dg-warning "may result in an unaligned pointer value" } */
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38 i0 = &**t0.p.b; /* { dg-warning "may result in an unaligned pointer value" } */
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39 i0 = **&s0.p.b; /* { dg-warning "may result in an unaligned pointer value" } */
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40 i0 = **&t0.p.b; /* { dg-warning "may result in an unaligned pointer value" } */
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41 i0 = &*s0.p.a; /* { dg-warning "may result in an unaligned pointer value" } */
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42 i0 = &*t0.p.a; /* { dg-warning "may result in an unaligned pointer value" } */
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43 i0 = *&s0.p.a; /* { dg-warning "may result in an unaligned pointer value" } */
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44 i0 = *&t0.p.a; /* { dg-warning "may result in an unaligned pointer value" } */
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45 i0 = t0.u.a; /* { dg-bogus "may result in an unaligned pointer value" } */
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46 i0 = t0.u.b[0]; /* { dg-bogus "may result in an unaligned pointer value" } */
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47 i0 = &t0.u.a[0]; /* { dg-bogus "may result in an unaligned pointer value" } */
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48 i0 = &t0.u.b[0][0]; /* { dg-bogus "may result in an unaligned pointer value" } */
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49 i0 = *t0.u.b; /* { dg-bogus "may result in an unaligned pointer value" } */
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50 i0 = &*t0.u.a; /* { dg-bogus "may result in an unaligned pointer value" } */
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51 i0 = &**t0.u.b; /* { dg-bogus "may result in an unaligned pointer value" } */
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52 i0 = ***s0.p.i4; /* { dg-bogus "may result in an unaligned pointer value" } */
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53 i0 = ***t0.p.i4; /* { dg-bogus "may result in an unaligned pointer value" } */
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54 i0 = ****&s0.p.i4; /* { dg-bogus "may result in an unaligned pointer value" } */
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55 i0 = ****&t0.p.i4; /* { dg-bogus "may result in an unaligned pointer value" } */
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56 i0 = &****s0.p.i4; /* { dg-bogus "may result in an unaligned pointer value" } */
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57 i0 = &****t0.p.i4; /* { dg-bogus "may result in an unaligned pointer value" } */
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58 }