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-rw-r--r--src/compiler/GF/Compile/Abstract/TC.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/compiler/GF/Compile/Abstract/TC.hs b/src/compiler/GF/Compile/Abstract/TC.hs
index 163301838..bca54b93c 100644
--- a/src/compiler/GF/Compile/Abstract/TC.hs
+++ b/src/compiler/GF/Compile/Abstract/TC.hs
@@ -241,6 +241,7 @@ checkBranch th tenv b@(ps,t) ty = errIn ("branch" +++ show b) $
PFloat n -> (EFloat n : ps, i, g, k)
PP m c xs -> (mkApp (Q m c) xss : ps, j, g',k')
where (xss,j,g',k') = foldr p2t ([],i,g,k) xs
+ PTilde t -> (t : ps, i, g, k)
_ -> error $ render (text "undefined p2t case" <+> ppPatt Unqualified 0 p <+> text "in checkBranch")
upd x k g = (x, VGen k x) : g --- hack to recognize pattern variables