diff --git a/test/stdlib/Int128.swift b/test/stdlib/Int128.swift
index 2fe7c2af2a2..ec694a85270 100644
--- a/test/stdlib/Int128.swift
+++ b/test/stdlib/Int128.swift
@@ -310,49 +310,49 @@ Int128Tests.test("Conversion from integers") {
     expectEqual(Int128(truncatingIfNeeded: Int8.min), -0x80)
     expectEqual(Int128(truncatingIfNeeded: Int8.max), 0x0000000000000000_000000000000007f)
     expectEqual(Int128(truncatingIfNeeded: UInt8.max), 0x0000000000000000_00000000000000ff)
-    expectEqual(Int128(truncatingIfNeeded: Int.min), -0x8000000000000000)
-    expectEqual(Int128(truncatingIfNeeded: Int.max), 0x0000000000000000_7fffffffffffffff)
-    expectEqual(Int128(truncatingIfNeeded: UInt.max), 0x0000000000000000_ffffffffffffffff)
+    expectEqual(Int128(truncatingIfNeeded: Int64.min), -0x8000000000000000)
+    expectEqual(Int128(truncatingIfNeeded: Int64.max), 0x0000000000000000_7fffffffffffffff)
+    expectEqual(Int128(truncatingIfNeeded: UInt64.max), 0x0000000000000000_ffffffffffffffff)
     
     expectEqual(Int128(exactly: -1), -1)
     expectEqual(Int128(exactly: Int8.min), -0x80)
     expectEqual(Int128(exactly: Int8.max),  0x7f)
     expectEqual(Int128(exactly: UInt8.max), 0xff)
-    expectEqual(Int128(exactly: Int.min), -0x8000000000000000)
-    expectEqual(Int128(exactly: Int.max),  0x7fffffffffffffff)
-    expectEqual(Int128(exactly: UInt.max), 0xffffffffffffffff)
+    expectEqual(Int128(exactly: Int64.min), -0x8000000000000000)
+    expectEqual(Int128(exactly: Int64.max),  0x7fffffffffffffff)
+    expectEqual(Int128(exactly: UInt64.max), 0xffffffffffffffff)
     
     expectEqual(Int128(clamping: -1), -1)
     expectEqual(Int128(clamping: Int8.min), -0x80)
     expectEqual(Int128(clamping: Int8.max),  0x7f)
     expectEqual(Int128(clamping: UInt8.max), 0xff)
-    expectEqual(Int128(clamping: Int.min), -0x8000000000000000)
-    expectEqual(Int128(clamping: Int.max),  0x7fffffffffffffff)
-    expectEqual(Int128(clamping: UInt.max), 0xffffffffffffffff)
+    expectEqual(Int128(clamping: Int64.min), -0x8000000000000000)
+    expectEqual(Int128(clamping: Int64.max),  0x7fffffffffffffff)
+    expectEqual(Int128(clamping: UInt64.max), 0xffffffffffffffff)
     
     expectEqual(UInt128(truncatingIfNeeded: -1),       0xffffffffffffffff_ffffffffffffffff)
     expectEqual(UInt128(truncatingIfNeeded: Int8.min), 0xffffffffffffffff_ffffffffffffff80)
     expectEqual(UInt128(truncatingIfNeeded: Int8.max), 0x0000000000000000_000000000000007f)
     expectEqual(UInt128(truncatingIfNeeded: UInt8.max),0x0000000000000000_00000000000000ff)
-    expectEqual(UInt128(truncatingIfNeeded: Int.min),  0xffffffffffffffff_8000000000000000)
-    expectEqual(UInt128(truncatingIfNeeded: Int.max),  0x0000000000000000_7fffffffffffffff)
-    expectEqual(UInt128(truncatingIfNeeded: UInt.max), 0x0000000000000000_ffffffffffffffff)
+    expectEqual(UInt128(truncatingIfNeeded: Int64.min),  0xffffffffffffffff_8000000000000000)
+    expectEqual(UInt128(truncatingIfNeeded: Int64.max),  0x0000000000000000_7fffffffffffffff)
+    expectEqual(UInt128(truncatingIfNeeded: UInt64.max), 0x0000000000000000_ffffffffffffffff)
     
     expectEqual(UInt128(exactly: -1),        nil)
     expectEqual(UInt128(exactly: Int8.min),  nil)
     expectEqual(UInt128(exactly: Int8.max),  0x7f)
     expectEqual(UInt128(exactly: UInt8.max), 0xff)
-    expectEqual(UInt128(exactly: Int.min),   nil)
-    expectEqual(UInt128(exactly: Int.max),   0x7fffffffffffffff)
-    expectEqual(UInt128(exactly: UInt.max),  0xffffffffffffffff)
+    expectEqual(UInt128(exactly: Int64.min),   nil)
+    expectEqual(UInt128(exactly: Int64.max),   0x7fffffffffffffff)
+    expectEqual(UInt128(exactly: UInt64.max),  0xffffffffffffffff)
     
     expectEqual(UInt128(clamping: -1),       0)
     expectEqual(UInt128(clamping: Int8.min), 0)
     expectEqual(UInt128(clamping: Int8.max), 0x7f)
     expectEqual(UInt128(clamping: UInt8.max),0xff)
-    expectEqual(UInt128(clamping: Int.min),  0)
-    expectEqual(UInt128(clamping: Int.max),  0x7fffffffffffffff)
-    expectEqual(UInt128(clamping: UInt.max), 0xffffffffffffffff)
+    expectEqual(UInt128(clamping: Int64.min),  0)
+    expectEqual(UInt128(clamping: Int64.max),  0x7fffffffffffffff)
+    expectEqual(UInt128(clamping: UInt64.max), 0xffffffffffffffff)
   }
 }