Simplify rValue reference arguments without name (&& -> & &)

lib/tokenize.cpp

@@ -3493,6 +3493,14 @@ bool Tokenizer::simplifyTokenList1(const char FileName[])
 
     elseif();
 
+    // Simplify nameless rValue references - named ones are simplified later
+    for (Token* tok = list.front(); tok; tok = tok->next()) {
+        if (Token::Match(tok, "&& [,)]")) {
+            tok->str("&");
+            tok->insertToken("&");
+        }
+    }
+
     validate();
     return true;
 }

test/testtokenize.cpp

@@ -4795,6 +4795,9 @@ private:
                       tokenizeDebugListing("class C {\n"
                                            "    C(int&& a);\n"
                                            "};"));
+
+        ASSERT_EQUALS("\n\n##file 0\n"
+                      "1: void foo ( int & & ) ;\n", tokenizeDebugListing("void foo(int&&);"));
     }
 
     void varid_arrayFuncPar() {