Revert "Apply symmetric fix for integer range generalization in gotGreater && gotSmaller case"

This reverts commit bd09833.

Author: staabm

src/Analyser/MutatingScope.php

@@ -4204,37 +4204,7 @@ private function generalizeType(Type $a, Type $b, int $depth): Type
 					}
 
 					if ($gotGreater && $gotSmaller) {
-						$newMin = $min;
-						$newMax = $max;
-						foreach ($integerRanges['b'] as $range) {
-							if ($range->getMin() === null) {
-								$rangeMin = PHP_INT_MIN;
-							} else {
-								$rangeMin = $range->getMin();
-							}
-							if ($range->getMax() === null) {
-								$rangeMax = PHP_INT_MAX;
-							} else {
-								$rangeMax = $range->getMax();
-							}
-
-							if ($rangeMin < $newMin) {
-								$newMin = $rangeMin;
-							}
-							if ($rangeMax <= $newMax) {
-								continue;
-							}
-
-							$newMax = $rangeMax;
-						}
-
-						if ($newMin === PHP_INT_MIN) {
-							$newMin = null;
-						}
-						if ($newMax === PHP_INT_MAX) {
-							$newMax = null;
-						}
-						$resultTypes[] = IntegerRangeType::fromInterval($newMin, $newMax);
+						$resultTypes[] = new IntegerType();
 					} elseif ($gotGreater) {
 						$resultTypes[] = IntegerRangeType::fromInterval($min, null);
 					} elseif ($gotSmaller) {

tests/PHPStan/Analyser/nsrt/bug-12163.php

@@ -69,21 +69,3 @@ public function iterateRowColumnIndicesDecrementing(int $rows, int $columns, int
 		}
 	}
 }
-
-class Test4
-{
-	/**
-	 * @param int<5, 10> $index
-	 */
-	public function integerRangeGrowsBothDirections(int $size, int $index): void
-	{
-		for ($i = 0; $i < $size; $i++) {
-			assertType('int<3, 12>', $index);
-			if ($index > 7) {
-				/** @var int<3, 4> $index */
-			} else {
-				$index = $index + 5;
-			}
-		}
-	}
-}