From c1ae0a8b0022a9fbb50d3413139f36ec5d8a63be Mon Sep 17 00:00:00 2001
From: Zhongxing Xu <xuzhongxing@gmail.com>
Date: Tue, 5 Jan 2010 08:15:06 +0000
Subject: [PATCH] if an arraytype is canonical, then its element is guaranteed
 to be canonical.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92715 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/AST/ASTContext.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index 74e74e7aba..ad10aa38ed 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -2383,7 +2383,8 @@ QualType ASTContext::getUnqualifiedArrayType(QualType T,
   assert(!T.hasQualifiers() && "canonical array type has qualifiers!");
   const ArrayType *AT = cast<ArrayType>(T);
   QualType Elt = AT->getElementType();
-  QualType UnqualElt = getUnqualifiedArrayType(getCanonicalType(Elt), Quals);
+  assert(Elt.isCanonical());
+  QualType UnqualElt = getUnqualifiedArrayType(Elt, Quals);
   if (Elt == UnqualElt)
     return T;
 
-- 
2.50.1