diff options
Diffstat (limited to 'clang/lib/AST/ExprCXX.cpp')
| -rw-r--r-- | clang/lib/AST/ExprCXX.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/clang/lib/AST/ExprCXX.cpp b/clang/lib/AST/ExprCXX.cpp index 454dc14b6c8..006f69890ab 100644 --- a/clang/lib/AST/ExprCXX.cpp +++ b/clang/lib/AST/ExprCXX.cpp @@ -223,6 +223,12 @@ bool UnaryTypeTraitExpr::EvaluateTrait(ASTContext& C) const { if (const RecordType *RT = QueriedType->getAs<RecordType>()) return cast<CXXRecordDecl>(RT->getDecl())->isAbstract(); return false; + case UTT_IsEmpty: + if (const RecordType *Record = QueriedType->getAs<RecordType>()) { + return !Record->getDecl()->isUnion() + && cast<CXXRecordDecl>(Record->getDecl())->isEmpty(); + } + return false; case UTT_HasTrivialConstructor: // http://gcc.gnu.org/onlinedocs/gcc/Type-Traits.html: // If __is_pod (type) is true then the trait is true, else if type is |
