Improved check for trivial templates.

tools/clang/plugins/FindBadConstructsConsumer.cpp

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "FindBadConstructsConsumer.h"
 
 #include "clang/Frontend/CompilerInstance.h"
 #include "clang/AST/Attr.h"
 #include "clang/Lex/Lexer.h"
 #include "clang/Sema/Sema.h"
@@ skipping 657 matching lines @@
     }
     case Type::Elaborated: {
       CountType(dyn_cast<ElaboratedType>(type)->getNamedType().getTypePtr(),
                 trivial_member,
                 non_trivial_member,
                 templated_non_trivial_member);
       break;
     }
     case Type::Typedef: {
       while (const TypedefType* TT = dyn_cast<TypedefType>(type)) {
+        const std::string name = TT->getDecl()->getNameAsString();
+        if (name == "atomic_int") {

[dcheng, 2016/11/10 00:41:03]

Nit: I wonder if we should get the decl context and call isStdNamespace() on it?

+          (*trivial_member)++;
+          return;
+        }
         type = TT->getDecl()->getUnderlyingType().getTypePtr();
       }
       CountType(type,
                 trivial_member,
                 non_trivial_member,
                 templated_non_trivial_member);
       break;
     }
     default: {
       // Stupid assumption: anything we see that isn't the above is a POD
@@ skipping 326 matching lines @@
       }
     } else if (non_reference_type->isPointerType()) {
       non_reference_type = non_reference_type->getPointeeType();
       continue;
     }
     break;
   }
 }
 
 }  // namespace chrome_checker