unsafe_stdlib.swift

// RUN: %target-typecheck-verify-swift -strict-memory-safety

// Make sure everything compiles without error when unsafe code is allowed.
// RUN: %target-swift-frontend -typecheck -warnings-as-errors %s

func test(
 x:OpaquePointer,
 other:UnsafeMutablePointer<Int>
){
vararray=[1,2,3]
 // expected-warning@+2{{expression uses unsafe constructs but is not marked with 'unsafe'}}{{3-3=unsafe }}
 // expected-note@+1{{argument #0 in call to instance method 'withUnsafeBufferPointer' has unsafe type '(UnsafeBufferPointer<Element>) throws(E) -> R'}}
 array.withUnsafeBufferPointer{ buffer in
 // expected-warning@+1{{expression uses unsafe constructs but is not marked with 'unsafe'}}{{5-5=unsafe }}
print(buffer) // expected-note{{reference to parameter 'buffer' involves unsafe type 'UnsafeBufferPointer<Int>'}}
}
 array.append(4)
 _ = array
}