From 1c2b201b7d7b8f4516fd5c4b40398358c194af1f Mon Sep 17 00:00:00 2001
From: chrchr-github <78114321+chrchr-github@users.noreply.github.com>
Date: Tue, 13 Jan 2026 16:51:55 +0100
Subject: [PATCH 1/2] Update checkother.cpp

---
 lib/checkother.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/checkother.cpp b/lib/checkother.cpp
index 53257591273..1247d97365e 100644
--- a/lib/checkother.cpp
+++ b/lib/checkother.cpp
@@ -2924,6 +2924,9 @@ void CheckOther::checkDuplicateExpression()
             if (tok->isOp() && tok->astOperand1() && !Token::Match(tok, "+|*|<<|>>|+=|*=|<<=|>>=") && !isInsideLambdaCaptureList(tok)) {
                 if (Token::Match(tok, "==|!=|-") && astIsFloat(tok->astOperand1(), true))
                     continue;
+                if (tok->isArithmeticalOp() &&
+                    (tok->astOperand1()->isEnumerator() || (tok->astOperand2() && tok->astOperand2()->isEnumerator())))
+                    continue;
                 const bool pointerDereference = (tok->astOperand1() && tok->astOperand1()->isUnaryOp("*")) ||
                                                 (tok->astOperand2() && tok->astOperand2()->isUnaryOp("*"));
                 const bool followVar = (!isConstVarExpression(tok) || Token::Match(tok, "%comp%|%oror%|&&")) && !pointerDereference;

From aed0ae50f739710f818f98414a00446e91bd4695 Mon Sep 17 00:00:00 2001
From: chrchr-github <78114321+chrchr-github@users.noreply.github.com>
Date: Tue, 13 Jan 2026 16:53:34 +0100
Subject: [PATCH 2/2] Update testother.cpp

---
 test/testother.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/test/testother.cpp b/test/testother.cpp
index 50581a332c5..7a3f0a176cf 100644
--- a/test/testother.cpp
+++ b/test/testother.cpp
@@ -196,6 +196,7 @@ class TestOther : public TestFixture {
         TEST_CASE(duplicateExpression17); // #12036
         TEST_CASE(duplicateExpression18);
         TEST_CASE(duplicateExpression19);
+        TEST_CASE(duplicateExpression20);
         TEST_CASE(duplicateExpressionLoop);
         TEST_CASE(duplicateValueTernary);
         TEST_CASE(duplicateValueTernarySizeof); // #13773
@@ -8010,6 +8011,12 @@ class TestOther : public TestFixture {
         ASSERT_EQUALS("", errout_str());
     }
 
+    void duplicateExpression20() {
+        check("enum { N = 1 };\n" // #14202
+              "int f() { return N - 1; }");
+        ASSERT_EQUALS("", errout_str());
+    }
+
     void duplicateExpressionLoop() {
         check("void f() {\n"
               "    int a = 1;\n"