commit 59312cb0b81ca13f0674dde66b8e87a8d51d4dda
author Michael Liao <michael.hliao@gmail.com> Tue Dec 03 21:15:17 2019 -0500
committer Michael Liao <michael.hliao@gmail.com> Tue Dec 03 21:16:10 2019 -0500
tree e58971e755f8fc3dcf926aea43d4aae856037d24
parent ed1756cfbe7e1f32c9bdfb7a909b5707f102a9cb

Fix warning on unused variable. NFC.

clang/lib/AST/Expr.cpp

diff --git a/clang/lib/AST/Expr.cpp b/clang/lib/AST/Expr.cpp
index a73531a..3bc2ea6 100644
--- a/clang/lib/AST/Expr.cpp
+++ b/clang/lib/AST/Expr.cpp
@@ -1678,7 +1678,7 @@
   MemberExpr *E = new (Mem) MemberExpr(Base, IsArrow, OperatorLoc, MemberDecl,
                                        NameInfo, T, VK, OK, NOUR);
 
-  if (FieldDecl *Field = dyn_cast<FieldDecl>(MemberDecl)) {
+  if (isa<FieldDecl>(MemberDecl)) {
     DeclContext *DC = MemberDecl->getDeclContext();
     // dyn_cast_or_null is used to handle objC variables which do not
     // have a declaration context.