Fix the isReferenced bit on parameters in a couple of edge cases. PR12153.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151837 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 3 insertions, 0 deletions

diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index 027ec73d49..149201192f 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -9630,6 +9630,7 @@ static ExprResult captureInLambda(Sema &S, LambdaScopeInfo *LSI,
   //   An entity captured by a lambda-expression is odr-used (3.2) in
   //   the scope containing the lambda-expression.
   Expr *Ref = new (S.Context) DeclRefExpr(Var, DeclRefType, VK_LValue, Loc);
+  Var->setReferenced(true);
   Var->setUsed(true);
 
   // When the field has array type, create index variables for each
diff --git a/lib/Sema/SemaTemplateVariadic.cpp b/lib/Sema/SemaTemplateVariadic.cpp
index 15a308575a..3a547ddf68 100644
--- a/lib/Sema/SemaTemplateVariadic.cpp
+++ b/lib/Sema/SemaTemplateVariadic.cpp
@@ -779,6 +779,8 @@ ExprResult Sema::ActOnSizeofParameterPackExpr(Scope *S,
     return ExprError();
   }
 
+  MarkAnyDeclReferenced(OpLoc, ParameterPack);
+
   return new (Context) SizeOfPackExpr(Context.getSizeType(), OpLoc, 
                                       ParameterPack, NameLoc, RParenLoc);
 }