Ignore -Wunsupported-dll-base-class-template by default

The situation it is warning about (see PR20725) is not very likely
to be a real problem, and it is unclear what action the user should take
if the warning does fire.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@216283 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/Basic/DiagnosticSemaKinds.td b/include/clang/Basic/DiagnosticSemaKinds.td
index a55538eed1ec06722fe844130b19d80f7833e14e..3a14e4c4b496f9929d4f33ad0ec20037b531ba6f 100644 (file)
--- a/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/include/clang/Basic/DiagnosticSemaKinds.td
@@ -2154,7 +2154,7 @@ def warn_attribute_dll_instantiated_base_class : Warning<
   "propagating dll attribute to %select{already instantiated|explicitly specialized}0 "
   "base class template "
   "%select{without dll attribute|with different dll attribute}1 is not supported">,
-  InGroup<DiagGroup<"unsupported-dll-base-class-template">>;
+  InGroup<DiagGroup<"unsupported-dll-base-class-template">>, DefaultIgnore;
 def err_attribute_weakref_not_static : Error<
   "weakref declaration must have internal linkage">;
 def err_attribute_weakref_not_global_context : Error<

diff --git a/test/SemaCXX/dllexport.cpp b/test/SemaCXX/dllexport.cpp
index bad6a2b9caec51657fd10cc4af88e7e3010b499d..8219c47cd113b689013f825a94c20821f6eeb59e 100644 (file)
--- a/test/SemaCXX/dllexport.cpp
+++ b/test/SemaCXX/dllexport.cpp
@@ -1,7 +1,7 @@
-// RUN: %clang_cc1 -triple i686-win32     -fsyntax-only -verify -std=c++11 -DMS %s
-// RUN: %clang_cc1 -triple x86_64-win32   -fsyntax-only -verify -std=c++1y -DMS %s
-// RUN: %clang_cc1 -triple i686-mingw32   -fsyntax-only -verify -std=c++1y %s
-// RUN: %clang_cc1 -triple x86_64-mingw32 -fsyntax-only -verify -std=c++11 %s
+// RUN: %clang_cc1 -triple i686-win32     -fsyntax-only -verify -std=c++11 -Wunsupported-dll-base-class-template -DMS %s
+// RUN: %clang_cc1 -triple x86_64-win32   -fsyntax-only -verify -std=c++1y -Wunsupported-dll-base-class-template -DMS %s
+// RUN: %clang_cc1 -triple i686-mingw32   -fsyntax-only -verify -std=c++1y -Wunsupported-dll-base-class-template %s
+// RUN: %clang_cc1 -triple x86_64-mingw32 -fsyntax-only -verify -std=c++11 -Wunsupported-dll-base-class-template %s
 
 // Helper structs to make templates more expressive.
 struct ImplicitInst_Exported {};

diff --git a/test/SemaCXX/dllimport.cpp b/test/SemaCXX/dllimport.cpp
index fabe7128d2cd894f07308452a78db7c8007c5f90..d66c12d77d9929271363d2fd8adb3a9983594f13 100644 (file)
--- a/test/SemaCXX/dllimport.cpp
+++ b/test/SemaCXX/dllimport.cpp
@@ -1,7 +1,7 @@
-// RUN: %clang_cc1 -triple i686-win32     -fsyntax-only -verify -std=c++11 -DMS %s
-// RUN: %clang_cc1 -triple x86_64-win32   -fsyntax-only -verify -std=c++1y -DMS %s
-// RUN: %clang_cc1 -triple i686-mingw32   -fsyntax-only -verify -std=c++1y %s
-// RUN: %clang_cc1 -triple x86_64-mingw32 -fsyntax-only -verify -std=c++11 %s
+// RUN: %clang_cc1 -triple i686-win32     -fsyntax-only -verify -std=c++11 -Wunsupported-dll-base-class-template -DMS %s
+// RUN: %clang_cc1 -triple x86_64-win32   -fsyntax-only -verify -std=c++1y -Wunsupported-dll-base-class-template -DMS %s
+// RUN: %clang_cc1 -triple i686-mingw32   -fsyntax-only -verify -std=c++1y -Wunsupported-dll-base-class-template %s
+// RUN: %clang_cc1 -triple x86_64-mingw32 -fsyntax-only -verify -std=c++11 -Wunsupported-dll-base-class-template %s
 
 // Helper structs to make templates more expressive.
 struct ImplicitInst_Imported {};