switch-1.c revision 78c28be6873965cce4026bbebef18c6224b5287d 
1// RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-apple-darwin10 %s
2// RUN: %clang_cc1 -x c++ -fsyntax-only -verify -triple x86_64-apple-darwin10 %s
3// rdar://11577384
4
5int f(int i) {
6  switch (i) {
7    case 2147483647 + 2: // expected-warning {{overflow in expression;result is -2147483647 with type 'int'}}
8      return 1;
9    case 9223372036854775807L * 4: // expected-warning {{overflow in expression;result is -4 with type 'long'}}
10      return 2;
11    case (123456 *789012) + 1:  // expected-warning {{overflow in expression;result is -1375982336 with type 'int'}}
12      return 3;
13    case 2147483647:
14      return 0;
15  }
16  return (i, 65537) * 65537; // expected-warning {{overflow in expression;result is 131073 with type 'int'}} \
17			     // expected-warning {{expression result unused}}
18}
19