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change CmmActual, CmmFormal to use a data CmmHinted rather than tuple (#1405)
[ghc-hetmet.git]
/
compiler
/
nativeGen
/
RegAllocLinear.hs
diff --git
a/compiler/nativeGen/RegAllocLinear.hs
b/compiler/nativeGen/RegAllocLinear.hs
index
888ef16
..
e6491b7
100644
(file)
--- a/
compiler/nativeGen/RegAllocLinear.hs
+++ b/
compiler/nativeGen/RegAllocLinear.hs
@@
-222,7
+222,8
@@
emptyStackMap = StackMap [0..maxSpillSlots] emptyUFM
getStackSlotFor :: StackMap -> Unique -> (StackMap,Int)
getStackSlotFor (StackMap [] _) _
getStackSlotFor :: StackMap -> Unique -> (StackMap,Int)
getStackSlotFor (StackMap [] _) _
- = panic "RegAllocLinear.getStackSlotFor: out of stack slots"
+ = panic "RegAllocLinear.getStackSlotFor: out of stack slots, try -fregs-graph"
+ -- This happens with darcs' SHA1.hs, see #1993
getStackSlotFor fs@(StackMap (freeSlot:stack') reserved) reg =
case lookupUFM reserved reg of
getStackSlotFor fs@(StackMap (freeSlot:stack') reserved) reg =
case lookupUFM reserved reg of