Crash when doing basic Swift's String Interpolation. about swift HOT 10 CLOSED

$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 16.04.4 LTS
Release:	16.04
Codename:	xenial

$ usr/bin/swift
Welcome to Swift version 4.2-dev (LLVM 04bdb56f3d, Clang b44dbbdf44). Type :help for assistance.
  1> let amount = 3
  2. let count = "I have \(amount) apples."
amount: Int = 3
count: String = "I have 3 apples."

usr/bin/swift -Iusr/lib/swift/clang/include
Welcome to Swift version 4.2-dev (LLVM 04bdb56f3d, Clang b44dbbdf44, Swift 2347c83692). Type :help for assistance.
  1> let amount = 3
amount: Int = 3
  2> let count = "I have \(amount) apples"
lldb: /home/swift-build/llvm/lib/IR/Value.cpp:404: void llvm::Value::doRAUW(llvm::Value *, bool): Assertion `New->getType() == getType() && "replaceAllUses of value with new value of different type!"' failed.
Stack dump:
0.      Running pass 'Function Pass Manager' on module 'lldb_module'.
1.      Running pass 'Swift ARC contraction' on function '@"$SSS19stringInterpolationS2Sd_tcfCTf4gd_n"'
[1]    13640 abort (core dumped)  usr/bin/swift -Iusr/lib/swift/clang/include

$ curl https://swift.org/builds/development/ubuntu1604/swift-DEVELOPMENT-SNAPSHOT-2018-03-25-a/swift-DEVELOPMENT-SNAPSHOT-2018-03-25-a-ubuntu16.04.tar.gz -o 03-25.tar.gz
# various output
$ tar xzf 03-25.tar.gz
$ swift-DEVELOPMENT-SNAPSHOT-2018-03-25-a-ubuntu16.04/usr/bin/swift
Welcome to Swift version 4.2-dev (LLVM 95345677bd, Clang 8320c34f23, Swift 82ea1dcd39). Type :help for assistance.
  1> let amount = 3
amount: Int = 3
  2> let count = "I have \(amount) apples"
count: String = {
  _guts = {
    _object = {
      _object = <extracting data from value failed>

    }
    _otherBits = <extracting data from value failed>

  }
}
error: Couldn't lookup symbols:
  Swift.String.init(stringInterpolation: Swift.String...) -> Swift.String
  protocol witness table for Swift.String : Swift.TextOutputStreamable in Swift
  Swift._allocateUninitializedArray<A>(Builtin.Word) -> (Swift.Array<A>, Builtin.RawPointer)
  type metadata for Swift.Int
  Swift.String.init<A where A: Swift.CustomStringConvertible>(stringInterpolationSegment: A) -> Swift.String
  type metadata for Swift.String
  swift_release
  swift_retain
  Swift.String.init(_builtinStringLiteral: Builtin.RawPointer, utf8CodeUnitCount: Builtin.Word, isASCII: Builtin.Int1) -> Swift.String
  protocol witness table for Swift.Int : Swift.CustomStringConvertible in Swift
  protocol witness table for Swift.String : Swift.CustomStringConvertible in Swift
  Swift.String.init<A where A: Swift.CustomStringConvertible, A: Swift.TextOutputStreamable>(stringInterpolationSegment: A) -> Swift.String