From fe46b2c1411e7efde2bcffb4de6cf4a1b1aaecd7 Mon Sep 17 00:00:00 2001
From: Ali Mohammad Pur <ali.mpfard@gmail.com>
Date: Sun, 10 Jul 2022 11:40:17 +0430
Subject: [PATCH] LibRegex: Correctly track current inversion state in the
 optimizer

This is currently not important as we do not nest TemporaryInverse.
---
 Userland/Libraries/LibRegex/RegexOptimizer.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Userland/Libraries/LibRegex/RegexOptimizer.cpp b/Userland/Libraries/LibRegex/RegexOptimizer.cpp
index fdb806f954..5fa27a242e 100644
--- a/Userland/Libraries/LibRegex/RegexOptimizer.cpp
+++ b/Userland/Libraries/LibRegex/RegexOptimizer.cpp
@@ -163,7 +163,8 @@ static bool has_overlap(Vector<CompareTypeAndValuePair> const& lhs, Vector<Compa
             inverse = !inverse;
             break;
         case CharacterCompareType::TemporaryInverse:
-            temporary_inverse = !temporary_inverse;
+            temporary_inverse = true;
+            reset_temporary_inverse = true;
             break;
         case CharacterCompareType::AnyChar:
             // Special case: if not inverted, AnyChar is always in the range.
@@ -237,7 +238,8 @@ static bool has_overlap(Vector<CompareTypeAndValuePair> const& lhs, Vector<Compa
             inverse = !inverse;
             break;
         case CharacterCompareType::TemporaryInverse:
-            temporary_inverse = !temporary_inverse;
+            temporary_inverse = true;
+            reset_temporary_inverse = true;
             break;
         case CharacterCompareType::AnyChar:
             // Special case: if not inverted, AnyChar is always in the range.