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* c-decl.c (grokfield): Allow typedefs for anonymous structs and
[pf3gnuchains/gcc-fork.git] / gcc / testsuite / gcc.dg / uninit-8.c
1 /* Uninitialized variable warning tests...
2    Inspired by part of optabs.c:expand_binop.
3    May be the same as uninit-1.c.  */
4
5 /* { dg-do compile } */
6 /* { dg-options "-O -Wuninitialized" } */
7
8 #include <limits.h>
9
10 void
11 add_bignums (int *out, int *x, int *y)
12 {
13     int p, sum;
14     int carry; /* { dg-bogus "carry" "uninitialized variable warning" } */
15
16     p = 0;
17     for (; *x; x++, y++, out++, p++)
18     {
19         if (p)
20             sum = *x + *y + carry;
21         else
22             sum = *x + *y;
23
24         if (sum < 0)
25         {
26             carry = 1;
27             sum -= INT_MAX;
28         }
29         else
30             carry = 0;
31     }
32 }