From c3889538c7ab84630dfd0ef4e5bc53a48a2a6b47 Mon Sep 17 00:00:00 2001
From: chrchr-github <christian.riesch@live.com>
Date: Sat, 27 Apr 2024 14:14:15 +0200
Subject: [PATCH 1/3] Fix #12662 FP unreadVariable with QMap iterator

---
 lib/fwdanalysis.cpp | 2 ++
 test/cfg/qt.cpp     | 9 +++++++++
 2 files changed, 11 insertions(+)

diff --git a/lib/fwdanalysis.cpp b/lib/fwdanalysis.cpp
index 97337c3ab40..256f2e32a1b 100644
--- a/lib/fwdanalysis.cpp
+++ b/lib/fwdanalysis.cpp
@@ -497,6 +497,8 @@ bool FwdAnalysis::possiblyAliased(const Token *expr, const Token *startToken) co
         return true;
     if (Token::simpleMatch(expr, ". *"))
         return true;
+    if (expr->str() == "(" && Token::simpleMatch(expr->astOperand1(), "."))
+        return true;
 
     const bool macro = false;
     const bool pure = false;
diff --git a/test/cfg/qt.cpp b/test/cfg/qt.cpp
index d89fc4a8443..a955a9ee264 100644
--- a/test/cfg/qt.cpp
+++ b/test/cfg/qt.cpp
@@ -1,4 +1,5 @@
 
+
 // Test library configuration for qt.cfg
 //
 // Usage:
@@ -775,3 +776,11 @@ void unusedVariable_qtContainers() // #10689
     QLatin1String ql1s;
 }
 
+void unreadVariable_QMapIterator(QMap<QString, QObject*>& m)
+{
+    auto it = m.find("abc"); // #12662
+    if (it != m.end()) {
+        delete it.value();
+        it.value() = new QObject();
+    }
+}

From 5420aff7e1262a30b7bc2180cebe64d2b9284770 Mon Sep 17 00:00:00 2001
From: chrchr-github <78114321+chrchr-github@users.noreply.github.com>
Date: Sat, 27 Apr 2024 14:16:22 +0200
Subject: [PATCH 2/3] Update qt.cpp

---
 test/cfg/qt.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/test/cfg/qt.cpp b/test/cfg/qt.cpp
index a955a9ee264..e4271021ca9 100644
--- a/test/cfg/qt.cpp
+++ b/test/cfg/qt.cpp
@@ -1,5 +1,4 @@
 
-
 // Test library configuration for qt.cfg
 //
 // Usage:

From a9fb465c871b9ffc2f4cb96bbcfab210e33c5d5e Mon Sep 17 00:00:00 2001
From: chrchr-github <christian.riesch@live.com>
Date: Sat, 27 Apr 2024 14:45:32 +0200
Subject: [PATCH 3/3] Suppress checkLibraryFunction

---
 test/cfg/qt.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/test/cfg/qt.cpp b/test/cfg/qt.cpp
index e4271021ca9..f77ea2e88ba 100644
--- a/test/cfg/qt.cpp
+++ b/test/cfg/qt.cpp
@@ -779,7 +779,9 @@ void unreadVariable_QMapIterator(QMap<QString, QObject*>& m)
 {
     auto it = m.find("abc"); // #12662
     if (it != m.end()) {
+        // cppcheck-suppress checkLibraryFunction // TODO
         delete it.value();
+        // cppcheck-suppress checkLibraryFunction
         it.value() = new QObject();
     }
 }