diff --git a/tests/PHPStan/Rules/Functions/CallToFunctionParametersRuleTest.php b/tests/PHPStan/Rules/Functions/CallToFunctionParametersRuleTest.php
index a77bd07ab44..bfa38f42d59 100644
--- a/tests/PHPStan/Rules/Functions/CallToFunctionParametersRuleTest.php
+++ b/tests/PHPStan/Rules/Functions/CallToFunctionParametersRuleTest.php
@@ -2838,6 +2838,22 @@ public function testBug4090(): void
 		$this->analyse([__DIR__ . '/../../Analyser/nsrt/bug-4090.php'], []);
 	}
 
+	public function testBug2940(): void
+	{
+		$this->analyse([__DIR__ . '/data/bug-2940.php'], [
+			[
+				'Parameter #1 $input of function Bug2940\foo expects array{foo2: string, foo1: string, foobarbar1?: string, foobarbar2?: int, foobarbar3?: string, foobarbar4: string, foobarbar6?: string, foobarbar7: int}, array{xx: 3} given.',
+				25,
+				"Array does not have offset 'foo2'.",
+			],
+			[
+				'Parameter #1 $input of function Bug2940\foo2 expects array{foo2: string, foo1: string, foobarbar1?: string, foobarbar2?: int, foobarbar3?: string, foobarbar4: string, foobarbar6?: string, foobarbar7: int, ...}, array{xx: 3} given.',
+				73,
+				"Array does not have offset 'foo2'.",
+			],
+		]);
+	}
+
 	public function testBug11533(): void
 	{
 		$this->analyse([__DIR__ . '/data/bug-11533.php'], []);
diff --git a/tests/PHPStan/Rules/Functions/data/bug-2940.php b/tests/PHPStan/Rules/Functions/data/bug-2940.php
new file mode 100644
index 00000000000..9da4ab62e83
--- /dev/null
+++ b/tests/PHPStan/Rules/Functions/data/bug-2940.php
@@ -0,0 +1,74 @@
+<?php
+
+namespace Bug2940;
+
+/**
+ * @param array{
+ *   foo2: string,
+ *   foo1: string,
+ *   foobarbar1?: string,
+ *   foobarbar2?: int,
+ *   foobarbar3?: string,
+ *   foobarbar4: string,
+ *   foobarbar6?: string,
+ *   foobarbar7: int
+ * } $input
+ */
+function foo(array $input)
+{
+	//stuff
+}
+
+
+function bar()
+{
+	foo(['xx'=>3]);
+}
+
+/**
+ * @param array{
+ *   foo2: string,
+ *   foo1: string,
+ *   foobarbar1?: string,
+ *   foobarbar2?: int,
+ *   foobarbar3?: string,
+ *   foobarbar4: string,
+ *   foobarbar6?: string,
+ *   foobarbar7?: string,
+ *   foobarbar8?: string,
+ *   foobarbar9?: string,
+ *   foobarbar10?: string,
+ *   foobarbar11?: string,
+ *   foobarbar12?: string,
+ *   foobarbar13?: string,
+ *   foobarbar14?: string,
+ *   foobarbar15?: string,
+ *   foobarbar16?: string,
+ *   foobarbar17?: string,
+ *   foobarbar18?: string,
+ *   foobarbar19?: string,
+ *   foobarbar20?: string,
+ *   foobarbar21?: string,
+ *   foobarbar22?: string,
+ *   foobarbar23?: string,
+ *   foobarbar24?: string,
+ *   foobarbar25?: string,
+ *   foobarbar26?: string,
+ *   foobarbar27?: string,
+ *   foobarbar28?: string,
+ *   foobarbar29?: string,
+ *   foobarbar30?: string,
+ *   foobarbar31?: string,
+ *   foobarbar7: int
+ * } $input
+ */
+function foo2(array $input)
+{
+	//stuff
+}
+
+
+function bar2()
+{
+	foo2(['xx'=>3]);
+}