From 3ef11870222d6766277a6d0f7ebe130c75dc4492 Mon Sep 17 00:00:00 2001
From: firewave <firewave@users.noreply.github.com>
Date: Wed, 10 Jun 2026 13:13:30 +0200
Subject: [PATCH 1/2] use `std::vector` as underlying container for
 `std::stack` in `simplecpp::TokenList::combineOperators()`

---
 simplecpp.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/simplecpp.cpp b/simplecpp.cpp
index fc145849..09582b60 100644
--- a/simplecpp.cpp
+++ b/simplecpp.cpp
@@ -1031,7 +1031,7 @@ static bool isAlternativeAndBitandBitor(const simplecpp::Token* tok)
 
 void simplecpp::TokenList::combineOperators()
 {
-    std::stack<bool> executableScope;
+    std::stack<bool, std::vector<bool>> executableScope;
     executableScope.push(false);
     for (Token *tok = front(); tok; tok = tok->next) {
         if (tok->op == '{') {

From a80a3ea531f379865cdf0ef8087117d0f6839de0 Mon Sep 17 00:00:00 2001
From: firewave <firewave@users.noreply.github.com>
Date: Wed, 10 Jun 2026 13:15:54 +0200
Subject: [PATCH 2/2] initialize `std::stack` with intial value instead of
 inserting it in `simplecpp::TokenList::combineOperators()`

---
 simplecpp.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/simplecpp.cpp b/simplecpp.cpp
index 09582b60..53baaa87 100644
--- a/simplecpp.cpp
+++ b/simplecpp.cpp
@@ -1031,8 +1031,7 @@ static bool isAlternativeAndBitandBitor(const simplecpp::Token* tok)
 
 void simplecpp::TokenList::combineOperators()
 {
-    std::stack<bool, std::vector<bool>> executableScope;
-    executableScope.push(false);
+    std::stack<bool, std::vector<bool>> executableScope{{false}};
     for (Token *tok = front(); tok; tok = tok->next) {
         if (tok->op == '{') {
             if (executableScope.top()) {