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comparison gcc/testsuite/gcc.dg/pr48784-2.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 /* { dg-do run } */
2 /* { dg-require-effective-target size32plus } */
3 /* { dg-options "-fno-strict-volatile-bitfields" } */
4
5 extern void abort (void);
6
7 #pragma pack(1)
8 volatile struct S0 {
9 signed a : 7;
10 unsigned b : 28; /* b can't be fetched with an aligned 32-bit access, */
11 /* but it certainly can be fetched with an unaligned access */
12 } g = {0,0xfffffff};
13
14 int main() {
15 unsigned b = g.b;
16 if (b != 0xfffffff)
17 abort ();
18 return 0;
19 }