diff options
| -rw-r--r-- | AST/Expr.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/AST/Expr.cpp b/AST/Expr.cpp index cacfcfa0ca..69ea9442ff 100644 --- a/AST/Expr.cpp +++ b/AST/Expr.cpp @@ -647,6 +647,14 @@ bool Expr::isNullPointerConstant(ASTContext &Ctx) const { CE->getSubExpr()->getType()->isIntegerType()) // from int. return CE->getSubExpr()->isNullPointerConstant(Ctx); } + } else if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(this)) { + // Check that it is a cast to void*. + if (const PointerType *PT = dyn_cast<PointerType>(ICE->getType())) { + QualType Pointee = PT->getPointeeType(); + if (Pointee.getQualifiers() == 0 && Pointee->isVoidType() && // to void* + ICE->getSubExpr()->getType()->isIntegerType()) // from int. + return ICE->getSubExpr()->isNullPointerConstant(Ctx); + } } else if (const ParenExpr *PE = dyn_cast<ParenExpr>(this)) { // Accept ((void*)0) as a null pointer constant, as many other // implementations do. |