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Diffstat (limited to 'dev-haskell/encoding/files/encoding-0.8.2-overflow.patch')
-rw-r--r-- | dev-haskell/encoding/files/encoding-0.8.2-overflow.patch | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/dev-haskell/encoding/files/encoding-0.8.2-overflow.patch b/dev-haskell/encoding/files/encoding-0.8.2-overflow.patch deleted file mode 100644 index c8085c827197..000000000000 --- a/dev-haskell/encoding/files/encoding-0.8.2-overflow.patch +++ /dev/null @@ -1,41 +0,0 @@ -https://github.com/dmwit/encoding/pull/11 - -From ce27249d4260c7eb3f514c95d5edd762804dd4f3 Mon Sep 17 00:00:00 2001 -From: Sergei Trofimovich <slyfox@gentoo.org> -Date: Sat, 29 Aug 2020 13:52:33 +0100 -Subject: [PATCH] Data/Map/Static/Builder.hs: avoid shiftL with negative offset - -On ghc-8.8 building `encoding` fails as: - -``` -Preprocessing library for encoding-0.8.5.. -arithmetic overflow -``` - -This happens because `findSplitSize` can't handle -small values, like `findSplitSize 1` and calls `shiftL` -with negative value, which is forbdden: - https://hackage.haskell.org/package/base-4.14.0.0/docs/Data-Bits.html#v:shiftL - -Work it around by always passing non-negative offset. - -Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org> ---- - Data/Map/Static/Builder.hs | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - -diff --git a/Data/Map/Static/Builder.hs b/Data/Map/Static/Builder.hs -index 486e19c..61851cd 100644 ---- a/Data/Map/Static/Builder.hs -+++ b/Data/Map/Static/Builder.hs -@@ -37,6 +37,6 @@ treeDepth sz = find' [0..] - findSplitSize :: Int -> Int - findSplitSize len = let depth = treeDepth len - free = (maxSize depth) - len -- in if free <= (1 `shiftL` (depth - 2)) -+ in if 2 * free <= (1 `shiftL` (depth - 1)) - then maxSize (depth - 1) - else len - (maxSize (depth - 2)) - 1 --- -2.28.0 - |