1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp
index 5b855aa193..934cb7beb9 100644
--- a/lib/CodeGen/LiveInterval.cpp
+++ b/lib/CodeGen/LiveInterval.cpp
@@ -206,6 +206,9 @@ LiveInterval::addRangeFrom(LiveRange LR, iterator From) {
         // endpoint as well.
         if (End > it->end)
           extendIntervalEndTo(it, End);
+        else
+          // Overlapping intervals, there might have been a kill here.
+          removeKill(it->valno, End);
         return it;
       }
     } else {