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-rw-r--r--compiler/codeGen/StgCmmUtils.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/codeGen/StgCmmUtils.hs b/compiler/codeGen/StgCmmUtils.hs
index a98ce739fd..86c03ac2c4 100644
--- a/compiler/codeGen/StgCmmUtils.hs
+++ b/compiler/codeGen/StgCmmUtils.hs
@@ -396,7 +396,7 @@ emitMultiAssign [] [] = return ()
emitMultiAssign [reg] [rhs] = emitAssign (CmmLocal reg) rhs
emitMultiAssign regs rhss = do
dflags <- getDynFlags
- ASSERT( equalLength regs rhss )
+ ASSERT2( equalLength regs rhss, ppr regs $$ ppr rhss )
unscramble dflags ([1..] `zip` (regs `zip` rhss))
unscramble :: DynFlags -> [Vrtx] -> FCode ()