1 /* { dg-do compile } */
2 /* { dg-options "-Wunused-variable" } */
4 static int a = 0; /* { dg-warning "defined but not used" } */
5 static const int b = 0; /* Unlike C, this doesn't cause a warning in C++. */
6 static int c __attribute__ ((unused)) = 0;
7 static const char rcsid[] = "version-string"; /* Likewise. */