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-rw-r--r--ghc/compiler/codeGen/CgBindery.lhs5
1 files changed, 3 insertions, 2 deletions
diff --git a/ghc/compiler/codeGen/CgBindery.lhs b/ghc/compiler/codeGen/CgBindery.lhs
index ff4d4c8c1a..459938ddf7 100644
--- a/ghc/compiler/codeGen/CgBindery.lhs
+++ b/ghc/compiler/codeGen/CgBindery.lhs
@@ -467,8 +467,9 @@ buildLivenessMask uniq sp info_down
]
-- flatten this list into a list of unboxed stack slots
- flatten_slots = foldr (\(ofs,size) r -> [ofs-size+1 .. ofs] ++ r) []
- unboxed_slots
+ flatten_slots = sortLt (<)
+ (foldr (\(ofs,size) r -> [ofs-size+1 .. ofs] ++ r) []
+ unboxed_slots)
-- merge in the free slots
all_slots = addFreeSlots flatten_slots free ++