Fix #15079 Regression: FP syntaxError for C-style cast before ::

Author: web-flow

lib/tokenize.cpp

@@ -9179,8 +9179,8 @@ void Tokenizer::findGarbageCode() const
                 syntaxError(tok);
             if (Token::simpleMatch(tok->tokAt(-1), ")")) {
                 const Token* const prev = tok->linkAt(-1)->tokAt(-1);
-                if (!Token::Match(prev, "%name% (") || (!prev->isControlFlowKeyword() && prev->str() != "decltype")) {
-                    if (prev && prev->isUpperCaseName())
+                if (prev && prev->isNameOnly()) {
+                    if (prev->isUpperCaseName())
                         unknownMacroError(prev);
                     else
                         syntaxError(tok);

test/testtokenize.cpp

@@ -7929,6 +7929,14 @@ class TestTokenizer : public TestFixture {
                                                    "    }\n"
                                                    "}\n"), UNKNOWN_MACRO);
 
+        ASSERT_NO_THROW(tokenizeAndStringify("void f(void* h) {\n" // #15079
+                                             "    (void)::CloseHandle(h);\n"
+                                             "    int i = (int)::GetTickCount();\n"
+                                             "}\n"
+                                             "std::size_t* g(void* p) {\n"
+                                             "    return new (p) ::std::size_t;\n"
+                                             "}\n"));
+
         ASSERT_THROW_INTERNAL_EQUALS(tokenizeAndStringify("static void handle_toggle(void (*proc) PROTO_XT_CALLBACK_ARGS, int var) {}\n"), // #13198
                                      UNKNOWN_MACRO,
                                      "There is an unknown macro here somewhere. Configuration is required. If PROTO_XT_CALLBACK_ARGS is a macro then please configure it.");