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-rw-r--r--compiler/GHC/CmmToAsm/X86/CodeGen.hs4
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/GHC/CmmToAsm/X86/CodeGen.hs b/compiler/GHC/CmmToAsm/X86/CodeGen.hs
index 9861177c3a..fd85ae6154 100644
--- a/compiler/GHC/CmmToAsm/X86/CodeGen.hs
+++ b/compiler/GHC/CmmToAsm/X86/CodeGen.hs
@@ -3353,9 +3353,9 @@ invertCondBranches (Just cfg) keep bs =
invert bs
where
invert :: [NatBasicBlock Instr] -> [NatBasicBlock Instr]
- invert ((BasicBlock lbl1 ins@(_:_:_xs)):b2@(BasicBlock lbl2 _):bs)
+ invert (BasicBlock lbl1 ins:b2@(BasicBlock lbl2 _):bs)
| --pprTrace "Block" (ppr lbl1) True,
- (jmp1,jmp2) <- last2 ins
+ Just (jmp1,jmp2) <- last2 ins
, JXX cond1 target1 <- jmp1
, target1 == lbl2
--, pprTrace "CutChance" (ppr b1) True