dead-stores.c revision 0fdf06e5eef80ce56ce6499ba662453919b95af1 
1// RUN: clang -warn-dead-stores -verify %s
2
3void x() {
4  int k, y;
5  int abc=1;
6  long idx=abc+3*5; // expected-warning {{value stored to variable is never used}}
7}
8
9void a(void *b) {
10 char *c = (char*)b; // no-warning
11 char *d = b+1; // expected-warning {{value stored to variable is never used}}
12 printf("%s", c);
13}
14
15void z() {
16  int r;
17  if ((r = f()) != 0) { // no-warning
18    int y = r; // no-warning
19    printf("the error is: %d\n", y);
20  }
21}
22