Squiz/FunctionSpacing: fixer is broken with doc comment on closing brace line

src/Standards/Squiz/Sniffs/WhiteSpace/FunctionSpacingSniff.php

@@ -149,6 +149,12 @@ public function process(File $phpcsFile, $stackPtr)
 
         // Allow for comments on the same line as the closer.
         for ($nextLineToken = ($closer + 1); $nextLineToken < $phpcsFile->numTokens; $nextLineToken++) {
+            // A doc comment belongs to the next statement and must not be on
+            // this line.
+            if ($tokens[$nextLineToken]['code'] === T_DOC_COMMENT_OPEN_TAG) {
+                break;
+            }
+
             if ($tokens[$nextLineToken]['line'] !== $tokens[$closer]['line']) {
                 break;
             }

src/Standards/Squiz/Tests/WhiteSpace/FunctionSpacingUnitTest.1.inc

@@ -582,3 +582,14 @@ echo 'this line belongs with the #3904 test';
 
 function Foo() {} function bar($name){}
 echo 'this line belongs with the #3904 test';
+
+
+/**
+ * foo.
+ */
+function a() {
+}/**
+ * foo.
+ */
+function b() {
+}

src/Standards/Squiz/Tests/WhiteSpace/FunctionSpacingUnitTest.1.inc.fixed

@@ -671,3 +671,17 @@ function Foo() {} function bar($name){}
 
 
 echo 'this line belongs with the #3904 test';
+
+
+/**
+ * foo.
+ */
+function a() {
+}
+
+
+/**
+ * foo.
+ */
+function b() {
+}

src/Standards/Squiz/Tests/WhiteSpace/FunctionSpacingUnitTest.php

@@ -102,6 +102,7 @@ public function getErrorList($testFile='')
                 566 => 1,
                 580 => 2,
                 583 => 3,
+                591 => 1,
             ];
 
         case 'FunctionSpacingUnitTest.2.inc':