Fix error The supplied range exceeds the maximum array size

src/Type/Constant/ConstantArrayTypeBuilder.php

@@ -111,6 +111,12 @@ public function setOffsetValueType(?Type $offsetType, Type $valueType, bool $opt
 							break;
 						}
 
+						$rangeLength = $integerRange->getMax() - $integerRange->getMin();
+						if ($rangeLength >= self::ARRAY_COUNT_LIMIT) {
+							$scalarTypes = [];
+							break;
+						}
+
 						foreach (range($integerRange->getMin(), $integerRange->getMax()) as $rangeValue) {
 							$scalarTypes[] = new ConstantIntegerType($rangeValue);
 						}

tests/PHPStan/Analyser/AnalyserIntegrationTest.php

@@ -529,6 +529,12 @@ public function testBug6442(): void
 		$this->assertSame(9, $errors[1]->getLine());
 	}
 
+	public function testBug6375(): void
+	{
+		$errors = $this->runAnalyse(__DIR__ . '/data/bug-6375.php');
+		$this->assertNoErrors($errors);
+	}
+
 	/**
 	 * @param string[]|null $allAnalysedFiles
 	 * @return Error[]

tests/PHPStan/Analyser/data/bug-6375.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Bug6375;
+
+use function PHPStan\Testing\assertType;
+
+class HelloWorld
+{
+	/**
+	 * @param int<-2147483648, 2147483647> $i
+	 * @return void
+	 */
+	public function sayHello($i): void
+	{
+		$a = [];
+		$a[$i] = 5;
+		assertType('non-empty-array<int<-2147483648, 2147483647>, 5>', $a);
+	}
+}