diff options
Diffstat (limited to 'clang/lib/AST')
| -rw-r--r-- | clang/lib/AST/Expr.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/clang/lib/AST/Expr.cpp b/clang/lib/AST/Expr.cpp index 49a4d777838..a179af8b145 100644 --- a/clang/lib/AST/Expr.cpp +++ b/clang/lib/AST/Expr.cpp @@ -398,6 +398,11 @@ Expr::isLvalueResult Expr::isLvalue(ASTContext &Ctx) const { cast<UnaryOperator>(this)->getOpcode() == UnaryOperator::Imag || cast<UnaryOperator>(this)->getOpcode() == UnaryOperator::Extension) return cast<UnaryOperator>(this)->getSubExpr()->isLvalue(Ctx); // GNU. + + if (Ctx.getLangOptions().CPlusPlus && // C++ [expr.pre.incr]p1 + (cast<UnaryOperator>(this)->getOpcode() == UnaryOperator::PreInc || + cast<UnaryOperator>(this)->getOpcode() == UnaryOperator::PreDec)) + return LV_Valid; break; case ImplicitCastExprClass: return cast<ImplicitCastExpr>(this)->isLvalueCast()? LV_Valid |
