[Fix #10877] Fix crash with Layout/BlockEndNewline heredoc detection.

changelog/fix_fix_crash_with_layoutblockendnewline.md

@@ -0,0 +1 @@
+* [#10877](https://github.com/rubocop/rubocop/issues/10877): Fix crash with `Layout/BlockEndNewline` heredoc detection. ([@dvandersluis][])

lib/rubocop/cop/layout/block_end_newline.rb

@@ -60,9 +60,10 @@ def message(node)
         end
 
         def last_heredoc_argument(node)
+          return unless node&.call_type?
           return unless (arguments = node&.arguments)
 
-          heredoc = arguments.reverse.detect(&:heredoc?)
+          heredoc = arguments.reverse.detect { |arg| arg.str_type? && arg.heredoc? }
           return heredoc if heredoc
 
           last_heredoc_argument(node.children.first)

spec/rubocop/cop/layout/block_end_newline_spec.rb

@@ -154,4 +154,32 @@
       }
     RUBY
   end
+
+  it 'registers an offense and corrects when a multiline block ends with a hash' do
+    expect_offense(<<~RUBY)
+      foo {
+        { bar: :baz } }
+                      ^ Expression at 2, 17 should be on its own line.
+    RUBY
+
+    expect_correction(<<~RUBY)
+      foo {
+        { bar: :baz }
+      }
+    RUBY
+  end
+
+  it 'registers an offense and corrects when a multiline block ends with a method call with hash arguments' do
+    expect_offense(<<~RUBY)
+      foo {
+        bar(baz: :quux) }
+                        ^ Expression at 2, 19 should be on its own line.
+    RUBY
+
+    expect_correction(<<~RUBY)
+      foo {
+        bar(baz: :quux)
+      }
+    RUBY
+  end
 end