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comparison gcc/testsuite/gcc.dg/pr17112-1.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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68:561a7518be6b 111:04ced10e8804
1 /* PR middle-end/17112 */
2 /* { dg-do run } */
3 /* { dg-require-effective-target int32plus } */
4 /* { dg-options "-O2" } */
5
6 extern void abort(void);
7
8 typedef struct {
9 int int24:24 __attribute__ ((packed));
10 } myint24;
11
12 myint24 x[3] = {
13 0x123456,
14 0x789abc,
15 0xdef012
16 };
17
18 myint24 y[3]; // starts out as zeros
19
20 void foo()
21 {
22 y[1] = x[1];
23 }
24
25 int main()
26 {
27 foo();
28
29 if (y[0].int24 != 0 || y[2].int24 != 0)
30 abort();
31 return 0;
32 }
33