Add a BuildCXXTemporaryObjectExpr and use it so default arguments will be instantiated correctly for temporary object expressions.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80206 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index e93624a..2f797da 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -2467,7 +2467,7 @@
Elidable,
Exprs,
NumExprs));
- // default arguments must be added to constructor call expression.
+ // Default arguments must be added to constructor call expression.
FunctionDecl *FDecl = cast<FunctionDecl>(Constructor);
unsigned NumArgsInProto = FDecl->param_size();
for (unsigned j = NumExprs; j != NumArgsInProto; j++) {
@@ -2484,6 +2484,37 @@
return move(Temp);
}
+Sema::OwningExprResult
+Sema::BuildCXXTemporaryObjectExpr(CXXConstructorDecl *Constructor,
+ QualType Ty,
+ SourceLocation TyBeginLoc,
+ MultiExprArg Args,
+ SourceLocation RParenLoc) {
+ CXXTemporaryObjectExpr *E
+ = new (Context) CXXTemporaryObjectExpr(Context, Constructor, Ty, TyBeginLoc,
+ (Expr **)Args.get(),
+ Args.size(), RParenLoc);
+
+ ExprOwningPtr<CXXTemporaryObjectExpr> Temp(this, E);
+
+ // Default arguments must be added to constructor call expression.
+ FunctionDecl *FDecl = cast<FunctionDecl>(Constructor);
+ unsigned NumArgsInProto = FDecl->param_size();
+ for (unsigned j = Args.size(); j != NumArgsInProto; j++) {
+ ParmVarDecl *Param = FDecl->getParamDecl(j);
+
+ OwningExprResult ArgExpr = BuildCXXDefaultArgExpr(TyBeginLoc, FDecl, Param);
+ if (ArgExpr.isInvalid())
+ return ExprError();
+
+ Temp->setArg(j, ArgExpr.takeAs<Expr>());
+ }
+
+ Args.release();
+ return move(Temp);
+}
+
+
bool Sema::InitializeVarWithConstructor(VarDecl *VD,
CXXConstructorDecl *Constructor,
QualType DeclInitType,