Use hasSameType instead of comparing the canonical forms

Author: YexuanXiao

clang/lib/Sema/SemaExprCXX.cpp

@@ -3457,8 +3457,7 @@ void Sema::DeclareGlobalAllocationFunction(DeclarationName Name,
           FuncParams.push_back(P->getType().getUnqualifiedType());
         if (std::equal(FuncParams.begin(), FuncParams.end(), Params.begin(),
                        Params.end(), [&](QualType LT, QualType RT) {
-                         return Context.getCanonicalType(LT) ==
-                                Context.getCanonicalType(RT);
+                         return Context.hasSameType(LT, RT);
                        })) {
           // Make the function visible to name lookup, even if we found it in
           // an unimported module. It either is an implicitly-declared global