add comment to make sure that we know that 1 has a special value

diff --git a/Robust/src/Runtime/garbage.c b/Robust/src/Runtime/garbage.c
index 684bd7d37e6ebba9f63fe885eb4da7bafdd3d914..44a51c40ab2c85692cd9566ce510774e5add76eb 100644 (file)
--- a/Robust/src/Runtime/garbage.c
+++ b/Robust/src/Runtime/garbage.c
@@ -43,6 +43,7 @@ int listcount=0;
 #endif
 
 //Need to check if pointers are transaction pointers
+//this also catches the special flag value of 1 for local copies
 #ifdef DSTM
 #define ENQUEUE(orig, dst) \
   if ((!(((unsigned int)orig)&0x1))) { \