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comparison gcc/testsuite/gcc.dg/strlenopt-38.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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111:04ced10e8804 131:84e7813d76e9
1 /* PR tree-optimization/83444 */
2 /* { dg-do compile } */
3 /* { dg-options "-O2 -fdump-tree-optimized" } */
4 /* { dg-final { scan-tree-dump-not "abort \\(\\)" "optimized" } } */
5
6 #include "strlenopt.h"
7
8 void
9 foo (void)
10 {
11 char a[5] = "012";
12 strcpy (a, "");
13 if (strlen (a) != 0)
14 abort ();
15 }
16
17 void
18 bar (void)
19 {
20 char a[5] = "012";
21 char b[7] = "";
22 strcpy (a, b);
23 if (strlen (a) != 0)
24 abort ();
25 }
26
27 struct S { char a[4]; char b[5]; char c[7]; };
28
29 void
30 baz (void)
31 {
32 struct S s;
33 strcpy (s.b, "012");
34 strcpy (s.c, "");
35 strcpy (s.b, s.c);
36 if (s.b[0] != 0)
37 abort ();
38 }
39
40 void
41 boo (void)
42 {
43 struct S s;
44 strcpy (s.b, "012");
45 strcpy (s.c, "");
46 strcpy (s.b, s.c);
47 if (strlen (s.b) != 0)
48 abort ();
49 }