Fix #14971 [regression] internalError for valid typedef (#8790)

Co-authored-by: chrchr-github <noreply@github.com>

Author: chrchr-github

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;

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() {