File: warn-unused-label-error.cpp

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (26 lines) | stat: -rw-r--r-- 782 bytes parent folder | download | duplicates (21) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
// RUN: %clang_cc1 -fsyntax-only -Wunused-variable -Wunused-label -verify %s

static int unused_local_static;

namespace PR8455 {
  void f() {
    A: // expected-warning {{unused label 'A'}}
      __attribute__((unused)) int i; // attribute applies to variable
    B: // attribute applies to label
      __attribute__((unused)); int j; // expected-warning {{unused variable 'j'}}
  }

  void g() {
    C: // unused label 'C' will not appear here because an error has occurred
      __attribute__((unused)) // expected-error {{an attribute list cannot appear here}}
      #pragma weak unused_local_static
      ;
  }

  void h() {
  D:
#pragma weak unused_local_static
    __attribute__((unused)) // expected-error {{'unused' attribute cannot be applied to a statement}}
    ;
  }
}