Merge pull request #955 from PHPCSStandards/feature/reports-fix-fatal-error-code-diff-report

Report/Code: fix fatal potential fatal error when combined with Diff report

Author: jrfnl

Diff for: src/Reports/Code.php

@@ -55,6 +55,10 @@ public function generateFileReport($report, File $phpcsFile, $showSources=false,
 
             try {
                 $phpcsFile->parse();
+
+                // Make sure the fixer is aware of the reparsed file to prevent a race-condition
+                // with the Diff report also re-parsing the file.
+                $phpcsFile->fixer->startFile($phpcsFile);
             } catch (Exception $e) {
                 // This is a second parse, so ignore exceptions.
                 // They would have been added to the file's error list already.