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| author | Kavon Farvardin <kavon@farvard.in> | 2018-09-23 15:29:37 -0500 |
|---|---|---|
| committer | Kavon Farvardin <kavon@farvard.in> | 2018-09-23 15:29:37 -0500 |
| commit | 84c2ad99582391005b5e873198b15e9e9eb4f78d (patch) | |
| tree | caa8c2f2ec7e97fbb4977263c6817c9af5025cf4 /compiler/utils/StringBuffer.hs | |
| parent | 8ddb47cfcf5776e9a3c55fd37947c8a95e00fa12 (diff) | |
| parent | e68b439fe5de61b9a2ca51af472185c62ccb8b46 (diff) | |
| download | haskell-wip/T13904.tar.gz | |
update to current master againwip/T13904
Diffstat (limited to 'compiler/utils/StringBuffer.hs')
| -rw-r--r-- | compiler/utils/StringBuffer.hs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/compiler/utils/StringBuffer.hs b/compiler/utils/StringBuffer.hs index d75e537fca..a5fc4e7f12 100644 --- a/compiler/utils/StringBuffer.hs +++ b/compiler/utils/StringBuffer.hs @@ -7,7 +7,7 @@ Buffers for scanning string input stored in external arrays. -} {-# LANGUAGE BangPatterns, CPP, MagicHash, UnboxedTuples #-} -{-# OPTIONS_GHC -O #-} +{-# OPTIONS_GHC -O2 #-} -- We always optimise this, otherwise performance of a non-optimised -- compiler is severely affected @@ -45,6 +45,8 @@ module StringBuffer #include "HsVersions.h" +import GhcPrelude + import Encoding import FastString import FastFunctions @@ -321,5 +323,6 @@ parseUnsignedInteger (StringBuffer buf _ cur) len radix char_to_int = inlinePerformIO $ withForeignPtr buf $ \ptr -> return $! let go i x | i == len = x | otherwise = case fst (utf8DecodeChar (ptr `plusPtr` (cur + i))) of + '_' -> go (i + 1) x -- skip "_" (#14473) char -> go (i + 1) (x * radix + toInteger (char_to_int char)) in go 0 0 |