[clang-tidy] add cert's VariadicFunctionDefCheck as cppcoreguidelines-pro-type-vararg-def

Summary:
Import the cert check for variadic function definitions into
cppcoreguidelines module to check part of
https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#-type8-avoid-reading-from-varargs-or-passing-vararg-arguments-prefer-variadic-template-parameters-instead

Reviewers: alexfh, sbenza, bkramer, aaron.ballman

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D13785

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@250468 91177308-0d34-0410-b5e6-96231b3b80d8

clang-tidy/cppcoreguidelines/CMakeLists.txt

@@ -13,6 +13,7 @@ add_clang_library(clangTidyCppCoreGuidelinesModule
   clangBasic
   clangLex
   clangTidy
+  clangTidyCERTModule
   clangTidyMiscModule
   clangTidyUtils
   clangTooling

clang-tidy/cppcoreguidelines/CppCoreGuidelinesTidyModule.cpp

@@ -10,6 +10,7 @@
 #include "../ClangTidy.h"
 #include "../ClangTidyModule.h"
 #include "../ClangTidyModuleRegistry.h"
+#include "../cert/VariadicFunctionDefCheck.h"
 #include "../misc/AssignOperatorSignatureCheck.h"
 #include "ProBoundsPointerArithmeticCheck.h"
 #include "ProTypeConstCastCheck.h"
@@ -28,6 +29,8 @@ public:
         "cppcoreguidelines-pro-bounds-pointer-arithmetic");
     CheckFactories.registerCheck<ProTypeConstCastCheck>(
         "cppcoreguidelines-pro-type-const-cast");
+    CheckFactories.registerCheck<VariadicFunctionDefCheck>(
+        "cppcoreguidelines-pro-type-vararg-def");
     CheckFactories.registerCheck<ProTypeReinterpretCastCheck>(
         "cppcoreguidelines-pro-type-reinterpret-cast");
     CheckFactories.registerCheck<ProTypeStaticCastDowncastCheck>(