1 // RUN: %clang_cc1 -std=c++1z -verify -Wuninitialized %s
2 
3 void testIf() {
4   if (bool b; b) // expected-warning {{uninitialized}} expected-note {{to silence}}
5     ;
6   if (int a, b = 2; a) // expected-warning {{uninitialized}} expected-note {{to silence}}
7     ;
8   int a;
9   if (a = 0; a) {} // OK
10 }
11 
12 void testSwitch() {
13   switch (bool b; b) { // expected-warning {{uninitialized}} expected-warning {{boolean value}} expected-note {{to silence}}
14     case 0:
15       break;
16   }
17   switch (int a, b = 7; a) { // expected-warning {{uninitialized}} expected-note {{to silence}}
18     case 0:
19       break;
20   }
21   int c;
22   switch (c = 0; c) { // OK
23     case 0:
24       break;
25   }
26 }
27