[RuntimeDyld] Add comment documenting the behavior change in r241383.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241408 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/ExecutionEngine/RuntimeDyld.h b/include/llvm/ExecutionEngine/RuntimeDyld.h
index 94c4038e81835487e2f40d87ce23127ec598270a..a808d923116713e0554a70f4fe66bf06199de825 100644 (file)
--- a/include/llvm/ExecutionEngine/RuntimeDyld.h
+++ b/include/llvm/ExecutionEngine/RuntimeDyld.h
@@ -153,6 +153,10 @@ public:
 
     /// This method returns the address of the specified function or variable.
     /// It is used to resolve symbols during module linking.
+    ///
+    /// If the returned symbol's address is equal to ~0ULL then RuntimeDyld will
+    /// skip all relocations for that symbol, and the client will be responsible
+    /// for handling them manually.
     virtual SymbolInfo findSymbol(const std::string &Name) = 0;
 
     /// This method returns the address of the specified symbol if it exists