Rework the external Sema source's ReadMethodPool() so that it doesn't
return pre-built lists. Instead, it feeds the methods it deserializes
to Sema so that Sema can unique them, which keeps the chains shorter.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148889 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/ChainedIncludesSource.cpp b/lib/Frontend/ChainedIncludesSource.cpp
index 9694bc0..45cf672 100644
--- a/lib/Frontend/ChainedIncludesSource.cpp
+++ b/lib/Frontend/ChainedIncludesSource.cpp
@@ -231,9 +231,8 @@
 void ChainedIncludesSource::ForgetSema() {
   return getFinalReader().ForgetSema();
 }
-std::pair<ObjCMethodList,ObjCMethodList>
-ChainedIncludesSource::ReadMethodPool(Selector Sel) {
-  return getFinalReader().ReadMethodPool(Sel);
+void ChainedIncludesSource::ReadMethodPool(Selector Sel) {
+  getFinalReader().ReadMethodPool(Sel);
 }
 bool ChainedIncludesSource::LookupUnqualified(LookupResult &R, Scope *S) {
   return getFinalReader().LookupUnqualified(R, S);