llvm-project/clang/test/Sema/switch-1.c

19 lines
807 B
C

// RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-apple-darwin10 %s
// RUN: %clang_cc1 -x c++ -fsyntax-only -verify -triple x86_64-apple-darwin10 %s
// rdar://11577384
int f(int i) {
switch (i) {
case 2147483647 + 2: // expected-warning {{overflow in expression; result is -2147483647 with type 'int'}}
return 1;
case 9223372036854775807L * 4: // expected-warning {{overflow in expression; result is -4 with type 'long'}}
return 2;
case (123456 *789012) + 1: // expected-warning {{overflow in expression; result is -1375982336 with type 'int'}}
return 3;
case 2147483647:
return 0;
}
return (i, 65537) * 65537; // expected-warning {{overflow in expression; result is 131073 with type 'int'}} \
// expected-warning {{expression result unused}}
}