When value-initializing a class with no user-defined constructors but
with a non-trivial default constructor, zero-initialize the storage
and then call the default constructor. Fixes PR5800.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91548 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index 7eb1d9e..091c038 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -3759,7 +3759,8 @@
Sema::OwningExprResult
Sema::BuildCXXConstructExpr(SourceLocation ConstructLoc, QualType DeclInitType,
CXXConstructorDecl *Constructor,
- MultiExprArg ExprArgs) {
+ MultiExprArg ExprArgs,
+ bool RequiresZeroInit) {
bool Elidable = false;
// C++ [class.copy]p15:
@@ -3785,7 +3786,7 @@
}
return BuildCXXConstructExpr(ConstructLoc, DeclInitType, Constructor,
- Elidable, move(ExprArgs));
+ Elidable, move(ExprArgs), RequiresZeroInit);
}
/// BuildCXXConstructExpr - Creates a complete call to a constructor,
@@ -3793,14 +3794,15 @@
Sema::OwningExprResult
Sema::BuildCXXConstructExpr(SourceLocation ConstructLoc, QualType DeclInitType,
CXXConstructorDecl *Constructor, bool Elidable,
- MultiExprArg ExprArgs) {
+ MultiExprArg ExprArgs,
+ bool RequiresZeroInit) {
unsigned NumExprs = ExprArgs.size();
Expr **Exprs = (Expr **)ExprArgs.release();
MarkDeclarationReferenced(ConstructLoc, Constructor);
return Owned(CXXConstructExpr::Create(Context, DeclInitType, ConstructLoc,
- Constructor,
- Elidable, Exprs, NumExprs));
+ Constructor, Elidable, Exprs, NumExprs,
+ RequiresZeroInit));
}
Sema::OwningExprResult