[llvm] 919b638 - [ADT] Use std::common_type_t (NFC)

[Kazu Hirata via llvm-commits]

Author: Kazu Hirata
Date: 2022-09-18T10:25:04-07:00
New Revision: 919b638effa8ab829f07e9105f324bf450e4c063

URL: https://github.com/llvm/llvm-project/commit/919b638effa8ab829f07e9105f324bf450e4c063
DIFF: https://github.com/llvm/llvm-project/commit/919b638effa8ab829f07e9105f324bf450e4c063.diff

LOG: [ADT] Use std::common_type_t (NFC)

Added: 
    

Modified: 
    llvm/include/llvm/ADT/STLExtras.h

Removed: 
    


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diff  --git a/llvm/include/llvm/ADT/STLExtras.h b/llvm/include/llvm/ADT/STLExtras.h
index fdb818ebd8c5b..d0a8065fa4a88 100644
--- a/llvm/include/llvm/ADT/STLExtras.h
+++ b/llvm/include/llvm/ADT/STLExtras.h
@@ -390,9 +390,9 @@ class filter_iterator_base
     : public iterator_adaptor_base<
           filter_iterator_base<WrappedIteratorT, PredicateT, IterTag>,
           WrappedIteratorT,
-          typename std::common_type<
-              IterTag, typename std::iterator_traits<
-                           WrappedIteratorT>::iterator_category>::type> {
+          std::common_type_t<IterTag,
+                             typename std::iterator_traits<
+                                 WrappedIteratorT>::iterator_category>> {
   using BaseT = typename filter_iterator_base::iterator_adaptor_base;
 
 protected:
@@ -618,9 +618,9 @@ template<typename... Iters> struct ZipTupleType {
 template <typename ZipType, typename... Iters>
 using zip_traits = iterator_facade_base<
     ZipType,
-    typename std::common_type<
+    std::common_type_t<
         std::bidirectional_iterator_tag,
-        typename std::iterator_traits<Iters>::iterator_category...>::type,
+        typename std::iterator_traits<Iters>::iterator_category...>,
     // ^ TODO: Implement random access methods.
     typename ZipTupleType<Iters...>::type,
     typename std::iterator_traits<