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-rw-r--r--src/Language/Fiddle/Compiler/ConsistencyCheck.hs5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/Language/Fiddle/Compiler/ConsistencyCheck.hs b/src/Language/Fiddle/Compiler/ConsistencyCheck.hs
index 3d95ea0..3e81153 100644
--- a/src/Language/Fiddle/Compiler/ConsistencyCheck.hs
+++ b/src/Language/Fiddle/Compiler/ConsistencyCheck.hs
@@ -78,6 +78,8 @@ deriving instance AdvanceStage S PackageBody
deriving instance AdvanceStage S FiddleDecl
+deriving instance AdvanceStage S (ConstExpression u)
+
instance AdvanceStage S FiddleUnit where
advanceStage () fu@(FiddleUnit _ decls a) =
FiddleUnit (Present $ getUnitInterface fu) <$> mapM (advanceStage ()) decls <*> pure a
@@ -256,8 +258,7 @@ advanceDecl offset = \case
bitsTypeSize :: RegisterBitsTypeRef S F A -> M (N Bits)
bitsTypeSize (RegisterBitsArray tr nExpr _) = do
sz <- bitsTypeSize tr
- n <- expressionToIntM nExpr
- return (sz .*. n)
+ return (sz .*. trueValue nExpr)
bitsTypeSize
RegisterBitsReference
{ bitsRefQualificationMetadata =