[PATCH] D145388: [ADT][NFC] Use declval to suppress warning for nullptr use.

[Yeting Kuo via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG260bae5ba27c: [ADT][NFC] Use declval to suppress warning for nullptr use. (authored by fakepaper56).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D145388/new/

https://reviews.llvm.org/D145388

Files:
  llvm/unittests/ADT/RangeAdapterTest.cpp


Index: llvm/unittests/ADT/RangeAdapterTest.cpp
===================================================================
--- llvm/unittests/ADT/RangeAdapterTest.cpp
+++ llvm/unittests/ADT/RangeAdapterTest.cpp
@@ -157,14 +157,12 @@
 
 TYPED_TEST(RangeAdapterRValueTest, RangeType) {
   static_assert(
-      std::is_same<
-          decltype(reverse(*static_cast<TypeParam *>(nullptr)).begin()),
-          decltype(static_cast<TypeParam *>(nullptr)->rbegin())>::value,
+      std::is_same_v<decltype(reverse(std::declval<TypeParam>()).begin()),
+                     decltype(std::declval<TypeParam>().rbegin())>,
       "reverse().begin() should have the same type as rbegin()");
   static_assert(
-      std::is_same<
-          decltype(reverse(*static_cast<const TypeParam *>(nullptr)).begin()),
-          decltype(static_cast<const TypeParam *>(nullptr)->rbegin())>::value,
+      std::is_same_v<decltype(reverse(std::declval<const TypeParam>()).begin()),
+                     decltype(std::declval<const TypeParam>().rbegin())>,
       "reverse().begin() should have the same type as rbegin() [const]");
 }
 


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