diff options
Diffstat (limited to 'clang/lib/AST/Expr.cpp')
| -rw-r--r-- | clang/lib/AST/Expr.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/clang/lib/AST/Expr.cpp b/clang/lib/AST/Expr.cpp index 9536b9bf245..708512ce461 100644 --- a/clang/lib/AST/Expr.cpp +++ b/clang/lib/AST/Expr.cpp @@ -1862,6 +1862,13 @@ bool Expr::isNullPointerConstant(ASTContext &Ctx, if (getType()->isNullPtrType()) return true; + if (const RecordType *UT = getType()->getAsUnionType()) + if (UT && UT->getDecl()->hasAttr<TransparentUnionAttr>()) + if (const CompoundLiteralExpr *CLE = dyn_cast<CompoundLiteralExpr>(this)){ + const Expr *InitExpr = CLE->getInitializer(); + if (const InitListExpr *ILE = dyn_cast<InitListExpr>(InitExpr)) + return ILE->getInit(0)->isNullPointerConstant(Ctx, NPC); + } // This expression must be an integer type. if (!getType()->isIntegerType() || (Ctx.getLangOptions().CPlusPlus && getType()->isEnumeralType())) |
