Fix #12597 syntaxError with array typedef in namespace (#6287)

Author: chrchr-github

lib/tokenize.cpp

@@ -2249,6 +2249,8 @@ void Tokenizer::simplifyTypedefCpp()
                                     tok2 = tok3->tokAt(3);
                                 else if (Token::Match(tok2->tokAt(3), "[(),;]"))
                                     tok2 = tok2->tokAt(2);
+                                else if (Token::simpleMatch(tok2->tokAt(3), ">"))
+                                    tok2 = tok2->tokAt(2);
                                 else
                                     tok2 = tok2->tokAt(3);
                                 if (!tok2)

test/testsimplifytypedef.cpp

@@ -214,6 +214,7 @@ class TestSimplifyTypedef : public TestFixture {
         TEST_CASE(simplifyTypedef148);
         TEST_CASE(simplifyTypedef149);
         TEST_CASE(simplifyTypedef150);
+        TEST_CASE(simplifyTypedef151);
 
         TEST_CASE(simplifyTypedefFunction1);
         TEST_CASE(simplifyTypedefFunction2); // ticket #1685
@@ -3530,6 +3531,18 @@ class TestSimplifyTypedef : public TestFixture {
         ASSERT_EQUALS(exp, tok(code));
     }
 
+    void simplifyTypedef151() {
+        const char* code{}, *exp{};
+        code = "namespace N {\n" // #12597
+               "    typedef int T[10];\n"
+               "    const T* f() { return static_cast<const T*>(nullptr); }\n"
+               "}\n";
+        exp = "namespace N { "
+              "const int ( * f ( ) ) [ 10 ] { return static_cast < const int ( * ) [ 10 ] > ( nullptr ) ; } "
+              "}";
+        ASSERT_EQUALS(exp, tok(code));
+    }
+
     void simplifyTypedefFunction1() {
         {
             const char code[] = "typedef void (*my_func)();\n"