Implementation of new and delete parsing and sema.

This version uses VLAs to represent arrays. I'll try an alternative way next, but I want this safe first.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59835 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 3 deletions

diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index 2e13352a5a..e6a7b4114a 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -329,7 +329,13 @@ bool Expr::hasLocalSideEffect() const {
 
   case CXXDefaultArgExprClass:
     return cast<CXXDefaultArgExpr>(this)->getExpr()->hasLocalSideEffect();
-  }     
+
+  case CXXNewExprClass:
+    // FIXME: In theory, there might be new expressions that don't have side
+    // effects (e.g. a placement new with an uninitialized POD).
+  case CXXDeleteExprClass:
+    return true;
+  }
 }
 
 /// DeclCanBeLvalue - Determine whether the given declaration can be
@@ -481,8 +487,6 @@ Expr::isLvalueResult Expr::isLvalue(ASTContext &Ctx) const {
   case CXXTypeidExprClass:
     // C++ 5.2.8p1: The result of a typeid expression is an lvalue of ...
     return LV_Valid;
-  case CXXThisExprClass:
-    return LV_InvalidExpression;
   default:
     break;
   }