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-rw-r--r--compiler/GHC/CmmToAsm/Reg/Linear.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/GHC/CmmToAsm/Reg/Linear.hs b/compiler/GHC/CmmToAsm/Reg/Linear.hs
index b8159c0907..586c1fbaf3 100644
--- a/compiler/GHC/CmmToAsm/Reg/Linear.hs
+++ b/compiler/GHC/CmmToAsm/Reg/Linear.hs
@@ -253,7 +253,7 @@ linearRegAlloc'
linearRegAlloc' config initFreeRegs entry_ids block_live sccs
= do us <- getUniqueSupplyM
- let (_, stack, stats, blocks) =
+ let !(_, !stack, !stats, !blocks) =
runR config mapEmpty initFreeRegs emptyRegMap emptyStackMap us
$ linearRA_SCCs entry_ids block_live [] sccs
return (blocks, stats, getStackUse stack)