Fix use of dyn_cast.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57927 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index 8c63060b615008dc8017248aa2a76a1ea2049821..7a3c6bdeb15763094bf039da6f19eff0f5a10951 100644 (file)
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -2406,7 +2406,7 @@ static NamedDecl *getPrimaryDecl(Expr *E) {
     // &X[4] and &4[X] refers to X if X is not a pointer.
   
     NamedDecl *D = getPrimaryDecl(cast<ArraySubscriptExpr>(E)->getBase());
-    ValueDecl *VD = dyn_cast<ValueDecl>(D);
+    ValueDecl *VD = dyn_cast_or_null<ValueDecl>(D);
     if (!VD || VD->getType()->isPointerType())
       return 0;
     else