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comparison gcc/testsuite/gcc.dg/Wswitch-unreachable-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 c/49859 */
2 /* { dg-do compile } */
3 /* { dg-options "-Wswitch-unreachable" } */
4
5 extern void foo (int);
6 extern int j;
7
8 void
9 fn0 (int i)
10 {
11 switch (i)
12 {
13 int t = 10; /* { dg-warning "statement will never be executed" } */
14 default:
15 foo (t);
16 }
17
18 switch (i)
19 { /* { dg-warning "statement will never be executed" } */
20 int A[i];
21 default: /* { dg-error "switch jumps into scope" } */
22 break;
23 }
24
25 switch (i)
26 default:
27 j = sizeof (struct { int i; });
28
29 switch (i)
30 {
31 int A[3];
32 default:
33 break;
34 }
35 }