Fix #11689 FP constStatement with nested typedefs (#5090)

* Fix #11689 FP constStatement with nested typedefs

* Add test

Author: chrchr-github

lib/tokenize.cpp

@@ -858,6 +858,8 @@ namespace {
                     // Function return type => replace array with "*"
                     for (const Token* a = mRangeAfterVar.first; Token::simpleMatch(a, "["); a = a->link()->next())
                         tok3->insertToken("*");
+                } else if (Token::Match(after->previous(), "%name% ( * %name% ) [")) {
+                    after = after->linkAt(4)->next();
                 } else {
                     Token* prev = after->previous();
                     if (prev->isName() && prev != tok3)

test/testsimplifytypedef.cpp

@@ -68,6 +68,7 @@ class TestSimplifyTypedef : public TestFixture {
         TEST_CASE(cfp7);
         TEST_CASE(carray1);
         TEST_CASE(carray2);
+        TEST_CASE(carray3);
         TEST_CASE(cdonotreplace1);
         TEST_CASE(cppfp1);
         TEST_CASE(Generic1);
@@ -458,6 +459,20 @@ class TestSimplifyTypedef : public TestFixture {
         ASSERT_EQUALS("double x [ 10 ] [ 4 ] ;", simplifyTypedef(code));
     }
 
+    void carray3() {
+        const char* code{};
+        code = "typedef int a[256];\n" // #11689
+               "typedef a b[256];\n"
+               "b* p;\n";
+        ASSERT_EQUALS("int ( * p ) [ 256 ] [ 256 ] ;", simplifyTypedef(code));
+
+        code = "typedef int a[1];\n"
+               "typedef a b[2];\n"
+               "typedef b c[3];\n"
+               "c* p;\n";
+        ASSERT_EQUALS("int ( * p ) [ 3 ] [ 2 ] [ 1 ] ;", simplifyTypedef(code));
+    }
+
     void cdonotreplace1() {
         const char code[] = "typedef int t;\n"
                             "int* t;";