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-rw-r--r--scheduling/RTLpathCommon.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/scheduling/RTLpathCommon.ml b/scheduling/RTLpathCommon.ml
index 748a02f1..3d123ba8 100644
--- a/scheduling/RTLpathCommon.ml
+++ b/scheduling/RTLpathCommon.ml
@@ -6,7 +6,7 @@ type superblock = {
mutable instructions: P.t array; (* pointers to code instructions *)
(* each predicted Pcb has its attached liveins *)
(* This is indexed by the pc value *)
- liveins: Regset.t PTree.t;
+ mutable liveins: Regset.t PTree.t;
(* Union of the input_regs of the last successors *)
s_output_regs: Regset.t;
typing: RTLtyping.regenv