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comparison gcc/testsuite/gcc.dg/uninit-pred-4_a.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 compile } */
2 /* { dg-options "-Wuninitialized -O2" } */
3
4 int g;
5 void bar();
6 void blah(int);
7 int foo (int n, int m, int r, int t)
8 {
9 int flag = 0;
10 int v;
11
12 if (t)
13 {
14 if (n)
15 {
16 v = r; /* init path 1 */
17 flag = 1;
18 }
19
20 if (m)
21 g++;
22 else
23 bar();
24
25 if (flag) /* properly guarded */
26 blah(v); /* { dg-bogus "uninitialized" "bogus warning" } */
27 }
28 else
29 {
30 v = r+1; /* init path 2 */
31 flag = 2;
32 }
33
34 if (m)
35 g++;
36 else
37 bar();
38
39 if (flag) /* properly guarded */
40 blah(v); /* { dg-bogus "uninitialized" "bogus warning" } */
41
42 return 0;
43 }