Fix #13564 Crash in simplifyTypedefCpp() (#7234)

Author: chrchr-github

lib/tokenize.cpp

@@ -2016,7 +2016,7 @@ void Tokenizer::simplifyTypedefCpp()
                     const bool isPointerTypeCall = !inOperator && Token::Match(tok2, "%name% ( )") && !pointers.empty();
 
                     // start substituting at the typedef name by replacing it with the type
-                    const Token * const location = tok2;
+                    const Token* location = tok2;
                     for (Token* tok3 = typeStart; tok3 && (tok3->str() != ";"); tok3 = tok3->next())
                         tok3->isSimplifiedTypedef(true);
                     if (isPointerTypeCall) {
@@ -2081,6 +2081,7 @@ void Tokenizer::simplifyTypedefCpp()
                         if (constTok && !functionPtr) {
                             tok2 = simplifyTypedefInsertToken(tok2, "const", location);
                             constTok->deleteThis();
+                            location = constTok;
                         }
                     }
 

test/testsimplifytypedef.cpp

@@ -223,6 +223,7 @@ class TestSimplifyTypedef : public TestFixture {
         TEST_CASE(simplifyTypedef155);
         TEST_CASE(simplifyTypedef156);
         TEST_CASE(simplifyTypedef157);
+        TEST_CASE(simplifyTypedef158);
 
         TEST_CASE(simplifyTypedefFunction1);
         TEST_CASE(simplifyTypedefFunction2); // ticket #1685
@@ -3773,6 +3774,16 @@ class TestSimplifyTypedef : public TestFixture {
         ASSERT_EQUALS(exp, tok(code));
     }
 
+    void simplifyTypedef158() {
+        const char code[] = "void f() {\n"
+                            "    typedef const char* const triple[3];\n"
+                            "    static const triple data[] = { {\"a\" , \"b\" , \"c\" } };\n"
+                            "}\n";
+        const char exp[] = "void f ( ) { static const char * const data [ ] [ 3 ] = { { \"a\" , \"b\" , \"c\" } } ; }";
+        const char cur[] = "void f ( ) { static const char * const const data [ ] [ 3 ] = { { \"a\" , \"b\" , \"c\" } } ; }";
+        TODO_ASSERT_EQUALS(exp, cur, tok(code));
+    }
+
     void simplifyTypedefFunction1() {
         {
             const char code[] = "typedef void (*my_func)();\n"