Fix for unmatched ignored trait error being reported with partial analysis

Author: janedbal

src/Analyser/Ignore/IgnoredErrorHelperResult.php

@@ -218,6 +218,10 @@ public function process(
 						continue;
 					}
 
+					if ($onlyFiles) {
+						continue;
+					}
+
 					$errors[] = (new Error(
 						sprintf(
 							'Ignored error pattern %s was not matched in reported errors.',

tests/PHPStan/Analyser/AnalyserTest.php

@@ -467,6 +467,21 @@ public function testIgnoreErrorInTraitUsingClassFilePath(string $pathToIgnore):
 		$this->assertNoErrors($result);
 	}
 
+	#[DataProvider('dataIgnoreErrorInTraitUsingClassFilePath')]
+	public function testIgnoreErrorInTraitUsingClassFilePathWithPartialAnalysis(string $pathToIgnore): void
+	{
+		$ignoreErrors = [
+			[
+				'message' => '#Fail\.#',
+				'path' => $pathToIgnore,
+			],
+		];
+		$result = $this->runAnalyser($ignoreErrors, true, [
+			__DIR__ . '/data/traits-ignore/Foo.php',
+		], true);
+		$this->assertNoErrors($result);
+	}
+
 	public function testIgnoredErrorMissingMessage(): void
 	{
 		$ignoreErrors = [