From 0493025c08da22b08af4f0587af726ae30251575 Mon Sep 17 00:00:00 2001
From: Eli Friedman <eli.friedman@gmail.com>
Date: Tue, 29 Jan 2008 07:51:12 +0000
Subject: [PATCH] Use the canonical type when comparing array types so the
 comparison doesn't get confused by typedefs.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@46502 91177308-0d34-0410-b5e6-96231b3b80d8
---
 Sema/SemaDecl.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Sema/SemaDecl.cpp b/Sema/SemaDecl.cpp
index 7c089ee37b..9dd306944d 100644
--- a/Sema/SemaDecl.cpp
+++ b/Sema/SemaDecl.cpp
@@ -296,8 +296,8 @@ static bool areEquivalentArrayTypes(QualType NewQType, QualType OldQType) {
   if (hasUndefinedLength(NewAT) || hasUndefinedLength(OldAT)) {
     if (NewAT->getIndexTypeQualifier() != OldAT->getIndexTypeQualifier())
       return false;
-    NewQType = NewAT->getElementType();
-    OldQType = OldAT->getElementType();
+    NewQType = NewAT->getElementType().getCanonicalType();
+    OldQType = OldAT->getElementType().getCanonicalType();
   }
   
   return NewQType == OldQType;
-- 
2.40.0