remove the Decl::getCanonicalType() method.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49295 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclObjC.cpp b/lib/Sema/SemaDeclObjC.cpp
index 9cf1b3c..c94c681 100644
--- a/lib/Sema/SemaDeclObjC.cpp
+++ b/lib/Sema/SemaDeclObjC.cpp
@@ -619,7 +619,8 @@
   for (unsigned i = 0, e = Method->getNumParams(); i != e; ++i) {
     ParmVarDecl *ParamDecl = Method->getParamDecl(i);
     ParmVarDecl *PrevParamDecl = PrevMethod->getParamDecl(i);
-    if (ParamDecl->getCanonicalType() != PrevParamDecl->getCanonicalType())
+    if (Context.getCanonicalType(ParamDecl->getType()) !=
+        Context.getCanonicalType(PrevParamDecl->getType()))
       return false;
   }
   return true;