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-rw-r--r--compiler/cmm/CmmExpr.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/cmm/CmmExpr.hs b/compiler/cmm/CmmExpr.hs
index 6c38c0361d..db42564171 100644
--- a/compiler/cmm/CmmExpr.hs
+++ b/compiler/cmm/CmmExpr.hs
@@ -387,6 +387,7 @@ instance Ord GlobalReg where
compare CurrentTSO CurrentTSO = EQ
compare CurrentNursery CurrentNursery = EQ
compare HpAlloc HpAlloc = EQ
+ compare EagerBlackholeInfo EagerBlackholeInfo = EQ
compare GCEnter1 GCEnter1 = EQ
compare GCFun GCFun = EQ
compare BaseReg BaseReg = EQ