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
@@ -43,12 +43,19 @@
   IteratorT begin_iterator, end_iterator;
 
 public:
+#if __GNUC__ == 7
+  // Be careful no to break gcc-7 on the mlir target.
+  // See https://github.com/llvm/llvm-project/issues/63843
+  template <typename Container>
+#else
   template <typename Container,
             std::enable_if_t<explicitly_convertible<
                 detail::IterOfRange<Container>, IteratorT>::value> * = nullptr>
+#endif
   iterator_range(Container &&c)
       : begin_iterator(adl_begin(std::forward<Container>(c))),
-        end_iterator(adl_end(std::forward<Container>(c))) {}
+        end_iterator(adl_end(std::forward<Container>(c))) {
+  }
   iterator_range(IteratorT begin_iterator, IteratorT end_iterator)
       : begin_iterator(std::move(begin_iterator)),
         end_iterator(std::move(end_iterator)) {}