catch_error.swift

// REQUIRES: objc_interop
// RUN: %target-swift-frontend -Xllvm -sil-print-types -emit-sil -Xllvm -sil-print-debuginfo %s \
// RUN: -parse-as-library | %FileCheck %s
import Foundation

openclassCache<T>{
let_negativeCache:NSMutableDictionary=NSMutableDictionary()
func cachedValue(creationBlock:()throws->T)throws->T{
do{
letvalue=trycreationBlock()
return value
}catch{
 // CHECK: debug_value {{.*}} : $any Error, let, name "error", loc "{{.*}}":[[@LINE-1]]:13, scope [[SCOPE:[0-9]+]]
 // CHECK: alloc_stack $@opened({{.*}}, any Error) Self, loc{{.*}}, scope [[SCOPE]]

 _negativeCache.setObject(error, forKey:NSNumber(1))
throw error
}
}
}