/* { dg-do compile } */ /* { dg-options "-Wc++-compat" } */ int v1; /* { dg-message "previous declaration" } */ int v1; /* { dg-warning "invalid in C\[+\]\[+\]" } */ int v2; /* { dg-message "previous declaration" } */ int v2 = 1; /* { dg-warning "invalid in C\[+\]\[+\]" } */ extern int v3; int v3; /* { dg-message "previous declaration" } */ int v3 = 1; /* { dg-warning "invalid in C\[+\]\[+\]" } */ extern int v4; int v4 = 1; static int v5; /* { dg-message "previous declaration" } */ static int v5; /* { dg-warning "invalid in C\[+\]\[+\]" } */ static int v6; /* { dg-message "previous declaration" } */ static int v6 = 1; /* { dg-warning "invalid in C\[+\]\[+\]" } */ int v7; extern int v7; int v8 = 1; extern int v8;