| 1 | // This tests that the variant of an error union is runtime-known when the value is runtime-known. |
| 2 | // This might seem obvious but previously the compiler special-cased the situation where a const |
| 3 | // was assigned a payload or error value, i.e. instead of another error union. |
| 4 | |
| 5 | export fn foo() void { |
| 6 | var runtime_payload: u8 = 0; |
| 7 | _ = &runtime_payload; |
| 8 | const eu: error{a}!u8 = runtime_payload; |
| 9 | if (eu) |_| {} else |_| @compileError("analyzed"); |
| 10 | } |
| 11 | |
| 12 | export fn bar() void { |
| 13 | var runtime_error: error{a} = error.a; |
| 14 | _ = &runtime_error; |
| 15 | const eu: error{a}!u8 = runtime_error; |
| 16 | if (eu) |_| @compileError("analyzed") else |_| {} |
| 17 | } |
| 18 | |
| 19 | // error |
| 20 | // |
| 21 | // :9:29: error: analyzed |
| 22 | // :16:17: error: analyzed |