diff --git a/llvm/include/llvm/ADT/SmallVector.h b/llvm/include/llvm/ADT/SmallVector.h
--- a/llvm/include/llvm/ADT/SmallVector.h
+++ b/llvm/include/llvm/ADT/SmallVector.h
@@ -92,8 +92,8 @@
 
 template <class T>
 using SmallVectorSizeType =
-    typename std::conditional<sizeof(T) < 4 && sizeof(void *) >= 8, uint64_t,
-                              uint32_t>::type;
+    std::conditional_t<sizeof(T) < 4 && sizeof(void *) >= 8, uint64_t,
+                       uint32_t>;
 
 /// Figure out the offset of the first element.
 template <class T, typename = void> struct SmallVectorAlignmentAndSize {