$ ~/swift-5.0.1-RELEASE-ubuntu18.04/usr/bin/swift
error: ld-2.27.so 0xffffffff0005c564: adding range [0x1464a-0x146ba) which has a base that is less than the function's low PC 0x14dc0. Please file a bug and attach the file at the start of this error message
error: ld-2.27.so 0xffffffff0005c564: adding range [0x146d0-0x146d6) which has a base that is less than the function's low PC 0x14dc0. Please file a bug and attach the file at the start of this error message
error: ld-2.27.so 0xffffffff0005c5c5: adding range [0x1464a-0x146ba) which has a base that is less than the function's low PC 0x14dc0. Please file a bug and attach the file at the start of this error message
error: ld-2.27.so 0xffffffff0005c5c5: adding range [0x146d0-0x146d6) which has a base that is less than the function's low PC 0x14dc0. Please file a bug and attach the file at the start of this error message
Welcome to Swift version 5.0.1 (swift-5.0.1-RELEASE).
Type :help for assistance.
  1> import Foundation 
  2.  
  3. let components = Calendar.current.dateComponents([.month,.year,.day], from: Date(timeIntervalSinceReferenceDate: 0)) 
  4. print(components)
Process 28923 stopped
* thread #​1, name = 'repl_swift', stop reason = signal SIGSEGV: invalid address (fault address: 0x18)
    frame #​0: 0x00007ffff3df6860 libFoundation.so`CFLocaleGetIdentifier
libFoundation.so`CFLocaleGetIdentifier:
->  0x7ffff3df6860 <+0>: movq   0x18(%rdi), %rax
    0x7ffff3df6864 <+4>: retq   
    0x7ffff3df6865:      nopw   %cs:(%rax,%rax)
    0x7ffff3df686f:      nop    
Target 0: (repl_swift) stopped.
components: Foundation.DateComponents = {
  _handle = <extracting data from value failed>

}
Execution interrupted. Enter code to recover and continue.
Enter LLDB commands to investigate (type :help for assistance.)
  5>

$ ~/swift-5.0.2-RELEASE-ubuntu18.04/usr/bin/swift
error: ld-2.27.so 0xffffffff0005c564: adding range [0x1464a-0x146ba) which has a base that is less than the function's low PC 0x14dc0. Please file a bug and attach the file at the start of this error message
error: ld-2.27.so 0xffffffff0005c564: adding range [0x146d0-0x146d6) which has a base that is less than the function's low PC 0x14dc0. Please file a bug and attach the file at the start of this error message
error: ld-2.27.so 0xffffffff0005c5c5: adding range [0x1464a-0x146ba) which has a base that is less than the function's low PC 0x14dc0. Please file a bug and attach the file at the start of this error message
error: ld-2.27.so 0xffffffff0005c5c5: adding range [0x146d0-0x146d6) which has a base that is less than the function's low PC 0x14dc0. Please file a bug and attach the file at the start of this error message
Welcome to Swift version 5.0.2 (swift-5.0.2-RELEASE).
Type :help for assistance.
  1> import Foundation 
  2.  
  3. let components = Calendar.current.dateComponents([.month,.year,.day], from: Date(timeIntervalSinceReferenceDate: 0)) 
  4. print(components)
<NSDateComponents: 0x000000000064e360>
components: Foundation.DateComponents = {
  _handle = {
    _pointer = {
      Foundation.NSObject = {}
      _calendar = nil
      _timeZone = nil
      _values = 19 values {
        [0] = 9223372036854775807
        [1] = 2001
        [2] = 1
        [3] = 1
        [4] = 9223372036854775807
        [5] = 9223372036854775807
        [6] = 9223372036854775807
        [7] = 9223372036854775807
        [8] = 9223372036854775807
        [9] = 9223372036854775807
        [10] = 9223372036854775807
        [11] = 9223372036854775807
        [12] = 9223372036854775807
        [13] = 9223372036854775807
        [14] = 9223372036854775807
        [15] = 0
        [16] = 9223372036854775807
        [17] = 9223372036854775807
        [18] = 9223372036854775807
      }
      timeZone = nil
    }
  }
}
  5>