Do not analyse trait method that's shadowed in the using class

src/Analyser/NodeScopeResolver.php

@@ -68,6 +68,7 @@
 use PHPStan\Reflection\ParametersAcceptorSelector;
 use PHPStan\Reflection\PassedByReference;
 use PHPStan\Reflection\Php\DummyParameter;
+use PHPStan\Reflection\Php\PhpMethodReflection;
 use PHPStan\Reflection\ReflectionProvider;
 use PHPStan\Type\Accessory\NonEmptyArrayType;
 use PHPStan\Type\ArrayType;
@@ -315,6 +316,24 @@ private function processStmtNode(
 			$scope = $this->processStmtVarAnnotation($scope, $stmt, $stmt->expr);
 		}
 
+		if ($stmt instanceof Node\Stmt\ClassMethod) {
+			if (!$scope->isInClass()) {
+				throw new \PHPStan\ShouldNotHappenException();
+			}
+			if (
+				$scope->isInTrait()
+				&& $scope->getClassReflection()->hasNativeMethod($stmt->name->toString())
+			) {
+				$methodReflection = $scope->getClassReflection()->getNativeMethod($stmt->name->toString());
+				if ($methodReflection instanceof PhpMethodReflection) {
+					$declaringTrait = $methodReflection->getDeclaringTrait();
+					if ($declaringTrait === null || $declaringTrait->getName() !== $scope->getTraitReflection()->getName()) {
+						return new StatementResult($scope, false, false, []);
+					}
+				}
+			}
+		}
+
 		$nodeCallback($stmt, $scope);
 
 		if ($stmt instanceof Node\Stmt\Declare_) {

tests/PHPStan/Analyser/data/get-parent-class.php

@@ -17,7 +17,7 @@ class Bar extends Foo
 
 	use FooTrait;
 
-	public function doFoo()
+	public function doBar()
 	{
 		'inChildClass';
 	}
@@ -31,7 +31,7 @@ function (string $s) {
 trait FooTrait
 {
 
-	public function doFoo()
+	public function doBaz()
 	{
 		'inTrait';
 	}

tests/PHPStan/Rules/Methods/CallMethodsRuleTest.php

@@ -1321,4 +1321,12 @@ public function testMergeInheritedPhpDocs(): void
 		]);
 	}
 
+	public function testShadowedTraitMethod(): void
+	{
+		$this->checkThisOnly = false;
+		$this->checkNullables = true;
+		$this->checkUnionTypes = true;
+		$this->analyse([__DIR__ . '/data/shadowed-trait-method.php'], []);
+	}
+
 }

tests/PHPStan/Rules/Methods/data/shadowed-trait-method.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace ShadowedTraitMethod;
+
+trait FooTrait
+{
+
+	public function doFoo()
+	{
+		$this->doBar();
+	}
+
+}
+
+class Foo
+{
+
+	use FooTrait;
+
+	public function doFoo()
+	{
+
+	}
+
+}