Currently all DeclContexts are Decls as well; use cast<Decl> instead of dyn_cast.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64805 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 8 deletions

diff --git a/lib/AST/DeclBase.cpp b/lib/AST/DeclBase.cpp
index a8ca34dca5..bca7adc758 100644
--- a/lib/AST/DeclBase.cpp
+++ b/lib/AST/DeclBase.cpp
@@ -269,17 +269,11 @@ bool DeclContext::classof(const Decl *D) {
 }
 
 const DeclContext *DeclContext::getParent() const {
-  if (const Decl *D = dyn_cast<Decl>(this))
-    return D->getDeclContext();
-
-  return NULL;
+  return cast<Decl>(this)->getDeclContext();
 }
 
 const DeclContext *DeclContext::getLexicalParent() const {
-  if (const Decl *D = dyn_cast<Decl>(this))
-    return D->getLexicalDeclContext();
-
-  return getParent();
+  return cast<Decl>(this)->getLexicalDeclContext();
 }
 
 // FIXME: We really want to use a DenseSet here to eliminate the