From 4c5c32bc9322ab43963e487df6b4f6d755e79d3e Mon Sep 17 00:00:00 2001
From: Matt Brown <github@muglug.com>
Date: Thu, 7 Jan 2021 10:27:35 -0500
Subject: [PATCH] Fix #4945 - use assertion string for scalar templated
 assertions

---
 .../Statements/Expression/CallAnalyzer.php      |  2 +-
 tests/Template/FunctionTemplateAssertTest.php   | 17 +++++++++++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/Psalm/Internal/Analyzer/Statements/Expression/CallAnalyzer.php b/src/Psalm/Internal/Analyzer/Statements/Expression/CallAnalyzer.php
index e326b1c11..ebf915932 100644
--- a/src/Psalm/Internal/Analyzer/Statements/Expression/CallAnalyzer.php
+++ b/src/Psalm/Internal/Analyzer/Statements/Expression/CallAnalyzer.php
@@ -721,7 +721,7 @@ class CallAnalyzer
                             } elseif ($replacement_atomic_type instanceof Type\Atomic\TNamedObject) {
                                 $ored_type_assertions[] = $prefix . $replacement_atomic_type->value;
                             } elseif ($replacement_atomic_type instanceof Type\Atomic\Scalar) {
-                                $ored_type_assertions[] = $prefix . $replacement_atomic_type->getId();
+                                $ored_type_assertions[] = $prefix . $replacement_atomic_type->getAssertionString();
                             } elseif ($replacement_atomic_type instanceof Type\Atomic\TNull) {
                                 $ored_type_assertions[] = $prefix . 'null';
                             } elseif ($replacement_atomic_type instanceof Type\Atomic\TTemplateParam) {
diff --git a/tests/Template/FunctionTemplateAssertTest.php b/tests/Template/FunctionTemplateAssertTest.php
index 98dac0c9f..00613e89b 100644
--- a/tests/Template/FunctionTemplateAssertTest.php
+++ b/tests/Template/FunctionTemplateAssertTest.php
@@ -715,6 +715,23 @@ class FunctionTemplateAssertTest extends TestCase
                         return $value;
                     }'
             ],
+            'noCrashOnListKeyAssertion' => [
+                '<?php
+                    /**
+                     * @template T
+                     * @param T $t
+                     * @param mixed $other
+                     * @psalm-assert =T $other
+                     */
+                    function assertSame($t, $other) : void {}
+
+                    /** @param list<int> $list */
+                    function takesList(array $list) : void {
+                        foreach ($list as $i => $l) {
+                            assertSame($i, $l);
+                        }
+                    }'
+            ],
         ];
     }