Fix #13104 FP CastIntegerToAddressAtReturn with function pointer and typedef (#6802)

Author: chrchr-github

lib/tokenize.cpp

@@ -755,7 +755,7 @@ namespace {
             const bool isFunctionPointer = Token::Match(mNameToken, "%name% )");
 
             // Special handling for T(...) when T is a pointer
-            if (Token::Match(tok, "%name% [({]") && !isFunctionPointer) {
+            if (Token::Match(tok, "%name% [({]") && !isFunctionPointer && !Token::simpleMatch(tok->linkAt(1), ") (")) {
                 bool pointerType = false;
                 for (const Token* type = mRangeType.first; type != mRangeType.second; type = type->next()) {
                     if (type->str() == "*" || type->str() == "&") {

test/testsimplifytypedef.cpp

@@ -3388,6 +3388,17 @@ class TestSimplifyTypedef : public TestFixture {
         const char code3[] = "typedef char* T;\n"
                              "T f() { return T(\"abc\"); }\n";
         ASSERT_EQUALS("char * f ( ) { return ( char * ) ( \"abc\" ) ; }", tok(code3));
+
+        const char code4[] = "typedef struct _a *A;\n" // #13104
+                             "typedef struct _b* B;\n"
+                             "typedef A(get_t)(B);\n"
+                             "extern get_t* get;\n"
+                             "A f() {\n"
+                             "    return get(0);\n"
+                             "}\n";
+        ASSERT_EQUALS("extern struct _a * ( * get ) ( struct _b * ) ; "
+                      "struct _a * f ( ) { return get ( 0 ) ; }",
+                      tok(code4));
     }
 
     void simplifyTypedef143() { // #11506