| // RUN: clang -fsyntax-only -verify %s |
| |
| void f1(void) { |
| int x, y, z; |
| #pragma unused(x) |
| #pragma unused(y, z) |
| |
| int w; // FIXME: We should emit a warning that 'w' is unused. |
| #pragma unused w // expected-warning{{missing '(' after '#pragma unused' - ignoring}} |
| } |
| |
| void f2(void) { |
| int x, y; |
| #pragma unused(x,) // expected-warning{{expected '#pragma unused' argument to be a variable name}} |
| #pragma unused() // expected-warning{{expected '#pragma unused' argument to be a variable name}} |
| } |
| |
| void f3(void) { |
| #pragma unused(x) // expected-error{{use of undeclared identifier 'x'}} |
| } |
| |
| void f4(void) { |
| int w; // FIXME: We should emit a warning that 'w' is unused. |
| #pragma unused((w)) // expected-warning{{expected '#pragma unused' argument to be a variable name}} |
| } |
| |
| int k; |
| void f5(void) { |
| #pragma unused(k) // expected-warning{{only local variables can be arguments to '#pragma unused' - ignored}} |
| } |
| |
| void f6(void) { |
| int z; // no-warning |
| { |
| #pragma unused(z) // no-warning |
| } |
| } |
| |