diff --git a/llvm/include/llvm/ADT/iterator_range.h b/llvm/include/llvm/ADT/iterator_range.h
--- a/llvm/include/llvm/ADT/iterator_range.h
+++ b/llvm/include/llvm/ADT/iterator_range.h
@@ -24,16 +24,6 @@
 
 namespace llvm {
 
-template <typename From, typename To, typename = void>
-struct explicitly_convertible : std::false_type {};
-
-template <typename From, typename To>
-struct explicitly_convertible<
-    From, To,
-    std::void_t<decltype(static_cast<To>(
-        std::declval<std::add_rvalue_reference_t<From>>()))>> : std::true_type {
-};
-
 /// A range adaptor for a pair of iterators.
 ///
 /// This just wraps two iterators into a range-compatible interface. Nothing
@@ -43,9 +33,10 @@
   IteratorT begin_iterator, end_iterator;
 
 public:
-  template <typename Container,
-            std::enable_if_t<explicitly_convertible<
-                detail::IterOfRange<Container>, IteratorT>::value> * = nullptr>
+  // TODO: Add SFINAE to test that the Container's iterators match the range's
+  //       iterators. Be careful no to break gcc-7 on the mlir target.
+  //       See https://github.com/llvm/llvm-project/issues/63843
+  template <typename Container>
   iterator_range(Container &&c)
       : begin_iterator(adl_begin(std::forward<Container>(c))),
         end_iterator(adl_end(std::forward<Container>(c))) {}