[Fix rubocop#12261] Fix an infinite loop for `Layout/MultilineMethodC…

…allIndentation`

Fix: rubocop#12261

changelog/fix_an_infinite_loop_for_layout_multiline_method_call_indentation.md

@@ -0,0 +1 @@
+* [#12261](https://github.com/rubocop/rubocop/issues/12261): Fix an infinite loop for `Layout/MultilineMethodCallIndentation` when multiline method chain with a block argument and method chain. ([@ydah][])

lib/rubocop/cop/layout/multiline_method_call_indentation.rb

@@ -227,7 +227,11 @@ def find_multiline_block_chain_node(node)
           return unless (block_node = node.each_descendant(:block, :numblock).first)
           return unless block_node.multiline? && block_node.parent.call_type?
 
-          block_node.parent
+          if node.receiver.call_type?
+            node.receiver
+          else
+            block_node.parent
+          end
         end
 
         def first_call_has_a_dot(node)

spec/rubocop/cop/layout/multiline_method_call_indentation_spec.rb

@@ -99,6 +99,16 @@
       RUBY
     end
 
+    it 'accepts aligned methods when multiline method chain with a block argument and method chain' do
+      expect_no_offenses(<<~RUBY)
+        a(b)
+          .c(
+            d do
+            end.f
+          )
+      RUBY
+    end
+
     it "doesn't crash on unaligned multiline lambdas" do
       expect_no_offenses(<<~RUBY)
         MyClass.(my_args)
@@ -335,6 +345,16 @@
             &.b
         RUBY
       end
+
+      it 'accepts aligned methods when multiline method chain with a block argument and method chain' do
+        expect_no_offenses(<<~RUBY)
+          a&.(b)
+            .c(
+              d do
+              end.f
+            )
+        RUBY
+      end
     end
   end