Fix count() regression

Author: staabm

src/Analyser/TypeSpecifier.php

@@ -1063,10 +1063,12 @@ private function specifyTypesForCountFuncCall(
 
 		$isConstantArray = $type->isConstantArray();
 		$isList = $type->isList();
+		$positiveInt = IntegerRangeType::fromInterval(1, null);
 		if (
 			!$isNormalCount->yes()
 			|| (!$isConstantArray->yes() && !$isList->yes())
 			|| $type->isIterableAtLeastOnce()->no() // array{} cannot be used for further narrowing
+			|| !$positiveInt->isSuperTypeOf($sizeType)->yes()
 		) {
 			return null;
 		}

tests/PHPStan/Analyser/nsrt/list-count.php

@@ -369,7 +369,7 @@ protected function testOptionalKeysInUnionListWithIntRange($row, $twoOrThree, $t
 		if (count($row) >= $maxThree) {
 			assertType('array{string}|list{0: int, 1?: string|null, 2?: int|null, 3?: float|null}', $row);
 		} else {
-			assertType('list{0: int, 1?: string|null, 2?: int|null, 3?: float|null}', $row);
+			assertType('array{string}|list{0: int, 1?: string|null, 2?: int|null, 3?: float|null}', $row);
 		}
 	}
 
@@ -386,3 +386,23 @@ protected function testOptionalKeysInUnionArrayWithIntRange($row, $twoOrThree):
 		}
 	}
 }
+
+class FooBug
+{
+	public int $totalExpectedRows = 0;
+
+	/** @var list<\stdClass> */
+	public array $importedDaySummaryRows = [];
+
+	public function sayHello(): void
+	{
+		assertType('int', $this->totalExpectedRows);
+		assertType('list<stdClass>', $this->importedDaySummaryRows);
+		if ($this->totalExpectedRows !== count($this->importedDaySummaryRows)) {
+			assertType('int', $this->totalExpectedRows);
+			assertType('list<stdClass>', $this->importedDaySummaryRows);
+		}
+		assertType('int', $this->totalExpectedRows);
+		assertType('list<stdClass>', $this->importedDaySummaryRows);
+	}
+}