File: cxx1z-init-statement-warn-unused.cpp

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (26 lines) | stat: -rw-r--r-- 664 bytes parent folder | download | duplicates (31) 
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 -std=c++1z -verify -Wuninitialized %s

void testIf() {
  if (bool b; b) // expected-warning {{uninitialized}} expected-note {{to silence}}
    ;
  if (int a, b = 2; a) // expected-warning {{uninitialized}} expected-note {{to silence}}
    ;
  int a;
  if (a = 0; a) {} // OK
}

void testSwitch() {
  switch (bool b; b) { // expected-warning {{uninitialized}} expected-warning {{boolean value}} expected-note {{to silence}}
    case 0:
      break;
  }
  switch (int a, b = 7; a) { // expected-warning {{uninitialized}} expected-note {{to silence}}
    case 0:
      break;
  }
  int c;
  switch (c = 0; c) { // OK
    case 0:
      break;
  }
}