Use the C++11 POD definition in C++11 mode to determine whether one

can create a VLA of class type. Fixes <rdar://problem/12151822>.

llvm-svn: 171783

1 files changed, 8 insertions, 2 deletions

diff --git a/clang/lib/Sema/SemaType.cpp b/clang/lib/Sema/SemaType.cpp
index 1bdd7c3b398..ad704685e58 100644
--- a/clang/lib/Sema/SemaType.cpp
+++ b/clang/lib/Sema/SemaType.cpp
@@ -1269,6 +1269,12 @@ static bool isArraySizeVLA(Sema &S, Expr *ArraySize, llvm::APSInt &SizeVal) {
                                            S.LangOpts.GNUMode).isInvalid();
 }
 
+/// \brief Determine whether the given type is a POD or standard-layout type,
+/// as appropriate for the C++ language options.
+static bool isPODType(QualType T, ASTContext &Context) {
+  return Context.getLangOpts().CPlusPlus11? T.isCXX11PODType(Context)
+                                          : T.isCXX98PODType(Context);
+}
 
 /// \brief Build an array type.
 ///
@@ -1442,8 +1448,8 @@ QualType Sema::BuildArrayType(QualType T, ArrayType::ArraySizeModifier ASM,
       // Prohibit the use of non-POD types in VLAs.
       QualType BaseT = Context.getBaseElementType(T);
       if (!T->isDependentType() &&
-          !BaseT.isPODType(Context) &&
-          !BaseT->isObjCLifetimeType()) {
+          !BaseT->isObjCLifetimeType() &&
+          !isPODType(BaseT, Context)) {
         Diag(Loc, diag::err_vla_non_pod)
           << BaseT;
         return QualType();