From 9abe357eb7ddcbdf62116bed3f4af230588d5c31 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludvig=20Gunne=20Lindstr=C3=B6m?=
 <ludviggunnelindstrom@gmail.com>
Date: Wed, 6 Aug 2025 13:12:10 +0200
Subject: [PATCH 1/2] add tests

---
 test/testvarid.cpp | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/test/testvarid.cpp b/test/testvarid.cpp
index 27efdeed0d1..666751027f3 100644
--- a/test/testvarid.cpp
+++ b/test/testvarid.cpp
@@ -240,6 +240,11 @@ class TestVarID : public TestFixture {
         TEST_CASE(decltype1);
         TEST_CASE(decltype2);
 
+        TEST_CASE(typeof1);
+        TEST_CASE(typeof2);
+        TEST_CASE(typeof3);
+        TEST_CASE(typeof4);
+
         TEST_CASE(exprid1);
         TEST_CASE(exprid2);
         TEST_CASE(exprid3);
@@ -4189,6 +4194,30 @@ class TestVarID : public TestFixture {
         ASSERT_EQUALS(expected, tokenize(code));
     }
 
+    void typeof1() {
+        const char code[] = "int x; typeof(x) y;";
+        const char expected[] = "1: int x@1 ; typeof ( x@1 ) y@2 ;\n";
+        ASSERT_EQUALS(expected, tokenize(code));
+    }
+
+    void typeof2() {
+        const char code[] = "int x; typeof(x) *y;";
+        const char expected[] = "1: int x@1 ; typeof ( x@1 ) * y@2 ;\n";
+        ASSERT_EQUALS(expected, tokenize(code));
+    }
+
+    void typeof3() {
+        const char code[] = "int x; const typeof(x) *const y;";
+        const char expected[] = "1: int x@1 ; const typeof ( x@1 ) * const y@2 ;\n";
+        ASSERT_EQUALS(expected, tokenize(code));
+    }
+
+    void typeof4() {
+        const char code[] = "int x; __typeof(x) y;";
+        const char expected[] = "1: int x@1 ; __typeof ( x@1 ) y@2 ;\n";
+        ASSERT_EQUALS(expected, tokenize(code));
+    }
+
     void exprid1() {
         const std::string actual = tokenizeExpr(
             "struct A {\n"

From 20719811275216a4439c44b1898c19a5c2242cd5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludvig=20Gunne=20Lindstr=C3=B6m?=
 <ludviggunnelindstrom@gmail.com>
Date: Wed, 6 Aug 2025 13:08:52 +0200
Subject: [PATCH 2/2] fix #13371

---
 lib/tokenize.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/tokenize.cpp b/lib/tokenize.cpp
index 5bc04196cff..90bde06cb25 100644
--- a/lib/tokenize.cpp
+++ b/lib/tokenize.cpp
@@ -4229,7 +4229,7 @@ static bool setVarIdParseDeclaration(Token*& tok, const VariableMap& variableMap
             }
             if (tok2->isCpp() && Token::Match(tok2, "namespace|public|private|protected"))
                 return false;
-            if (tok2->isCpp() && Token::simpleMatch(tok2, "decltype (")) {
+            if (tok2->isCpp() && Token::Match(tok2, "decltype|typeof|__typeof (")) {
                 typeCount = 1;
                 tok2 = tok2->linkAt(1)->next();
                 continue;
@@ -4782,7 +4782,7 @@ void Tokenizer::setVarIdPass1()
                                               variableMap.map(true),
                                               mTemplateVarIdUsage);
                     }
-                    if (Token *declTypeTok = Token::findsimplematch(tok, "decltype (", tok2)) {
+                    if (Token *declTypeTok = Token::findmatch(tok, "decltype|typeof|__typeof (", tok2)) {
                         for (Token *declTok = declTypeTok->linkAt(1); declTok != declTypeTok; declTok = declTok->previous()) {
                             if (declTok->isName() && !Token::Match(declTok->previous(), "::|.") && variableMap.hasVariable(declTok->str()))
                                 declTok->varId(variableMap.map(false).find(declTok->str())->second);