| // RUN: %target-swift-frontend %s -emit-ir -g -o - | FileCheck %s | |
| func markUsed<T>(_ t: T) {} | |
| class Class <T> { | |
| var x: T | |
| init(_x : T) {x = _x} | |
| // Verify that the mangling of the decl context of the type U is correct. | |
| // CHECK: !DICompositeType({{.*}}name: "{{[^"]*}}_TtQq_FC14dynamic_layout5Class3foo{{[^"]*}}" | |
| func foo <U> (_ y : U) -> (T,U) { | |
| var tuple = (x,y) | |
| return tuple | |
| } | |
| } | |
| func main() { | |
| var v = Class<Int64>(_x: 1) | |
| var tuple = v.foo("hi") | |
| markUsed(tuple.0) | |
| markUsed(tuple.1) | |
| } | |
| main() |