switch.c revision 9f3d942e9970bc8f51add390b2a2c46b5a2ab747 
1// RUN: clang -parse-ast -verify %s
2
3void f (int z) {
4  while (z) {
5    default: z--;            // expected-error {{statement not in switch}}
6  }
7}
8
9void foo(int X) {
10  switch (X) {
11  case 42: ;                 // expected-error {{previous case value}}
12  case 5000000000LL:         // expected-warning {{overflow}}
13  case 42:                   // expected-error {{duplicate case value}}
14   ;
15
16  case 100 ... 99: ;         // expected-warning {{empty case range}}
17
18  case 43: ;                 // expected-error {{previous case value}}
19  case 43 ... 45:  ;         // expected-error {{duplicate case value}}
20
21  case 100 ... 20000:;       // expected-error {{previous case value}}
22  case 15000 ... 40000000:;  // expected-error {{duplicate case value}}
23  }
24}
25
26void test3(void) {
27  // empty switch;
28  switch (0);
29}
30
31