[LLD] Supplement with more comments. Clarify the intention in f860fe362282ed69b9d4503a20e5d20b9a041189.

1 files changed, 4 insertions, 1 deletions

diff --git a/lld/Common/CommonLinkerContext.cpp b/lld/Common/CommonLinkerContext.cpp
index 75a58e84e03a..e4f6e367f78f 100644
--- a/lld/Common/CommonLinkerContext.cpp
+++ b/lld/Common/CommonLinkerContext.cpp
@@ -13,7 +13,10 @@
 using namespace llvm;
 using namespace lld;
 
-// Reference to the current LLD instance.
+// Reference to the current LLD instance. This is a temporary situation, until
+// we pass this context everywhere by reference, or we make it a thread_local,
+// as in https://reviews.llvm.org/D108850?id=370678 where each thread can be
+// associated with a LLD instance. Only then will LLD be free of global state.
 static CommonLinkerContext *lctx;
 
 CommonLinkerContext::CommonLinkerContext() { lctx = this; }