Fix concat emptiness

vimeo · Jan 7, 2020 · eaae84c · eaae84c
1 parent cc9e0fa
commit eaae84c
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/Psalm/Internal/Analyzer/Statements/Expression/BinaryOpAnalyzer.php b/src/Psalm/Internal/Analyzer/Statements/Expression/BinaryOpAnalyzer.php
@@ -574,8 +574,8 @@ function ($c) {
 
             if ($stmt_left_type
                 && $stmt_right_type
-                && $stmt_left_type->getId() === 'non-empty-string'
-                && $stmt_right_type->getId() === 'non-empty-string'
+                && ($stmt_left_type->getId() === 'non-empty-string'
+                    || $stmt_right_type->getId() === 'non-empty-string')
             ) {
                 $stmt_type = new Type\Union([new Type\Atomic\TNonEmptyString()]);
             } else {