From 8ff44a7a7f9daffb4024c479f11cc3cb5fda3f6e Mon Sep 17 00:00:00 2001
From: chrchr-github <noreply@github.com>
Date: Tue, 11 Aug 2026 18:49:25 +0200
Subject: [PATCH]  Fix #14971 [regression] internalError for valid typedef

---
 lib/tokenize.cpp             | 2 +-
 test/testsimplifytypedef.cpp | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/tokenize.cpp b/lib/tokenize.cpp
index 1a6d4a4e53f..27be2e544a2 100644
--- a/lib/tokenize.cpp
+++ b/lib/tokenize.cpp
@@ -576,7 +576,7 @@ namespace {
                         continue;
                     if (tok->str() != mNameToken->str())
                         continue;
-                    if (nBraces > 0 && Token::simpleMatch(tok->next(), ";"))
+                    if (nBraces > 0 && Token::Match(tok->next(), "[;(]"))
                         continue;
                     if (Token::Match(tok->previous(), "struct|class|enum|union"))
                         continue;
diff --git a/test/testsimplifytypedef.cpp b/test/testsimplifytypedef.cpp
index f8e3eb1cdf6..78d7bd25f3d 100644
--- a/test/testsimplifytypedef.cpp
+++ b/test/testsimplifytypedef.cpp
@@ -3882,6 +3882,9 @@ class TestSimplifyTypedef : public TestFixture {
 
         const char code2[] = "typedef struct { int t; } t;"; // #14966
         ASSERT_EQUALS("struct t { int t ; } ;", tok(code2));
+
+        const char code3[] = "typedef struct S { S() {} } S;"; // #14971
+        ASSERT_EQUALS("struct S { S ( ) { } } ;", tok(code3));
     }
 
     void simplifyTypedefFunction1() {