[clang-tidy] misc-macro-parentheses: fix fp when using object member pointers

Fixes http://llvm.org/PR25208.

llvm-svn: 252608

clang-tools-extra/clang-tidy/misc/MacroParenthesesCheck.cpp

@@ -148,7 +148,8 @@ void MacroParenthesesPPCallbacks::argument(const Token &MacroNameTok,
       continue;
 
     // Argument is a struct member.
-    if (Prev.isOneOf(tok::period, tok::arrow, tok::coloncolon))
+    if (Prev.isOneOf(tok::period, tok::arrow, tok::coloncolon, tok::arrowstar,
+                     tok::periodstar))
       continue;
 
     // Argument is a namespace or class.

clang-tools-extra/test/clang-tidy/misc-macro-parentheses.cpp

@@ -34,6 +34,8 @@
 #define GOOD23(type)      (type::Field)
 #define GOOD24(t)         std::set<t> s
 #define GOOD25(t)         std::set<t,t,t> s
+#define GOOD26(x)         (a->*x)
+#define GOOD27(x)         (a.*x)
 
 // These are allowed for now..
 #define MAYBE1            *12.34