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author | Matthew Pickering <matthewtpickering@gmail.com> | 2022-07-20 11:38:18 +0100 |
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committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2022-08-04 13:58:01 -0400 |
commit | fffc75a92ec20976dbdb027a19ccb2315afd2618 (patch) | |
tree | 3e9a1db8aa4e389ab4ffccc9595e913edc3b0578 /compiler/GHC/Driver/Session.hs | |
parent | fb529caedbe45160b41a20f28e21ee0ec372b05a (diff) | |
download | haskell-fffc75a92ec20976dbdb027a19ccb2315afd2618.tar.gz |
Force safeInferred to avoid retaining extra copy of DynFlags
This will only have a (very) modest impact on memory but we don't want
to retain old copies of DynFlags hanging around so best to force this
value.
Diffstat (limited to 'compiler/GHC/Driver/Session.hs')
-rw-r--r-- | compiler/GHC/Driver/Session.hs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/GHC/Driver/Session.hs b/compiler/GHC/Driver/Session.hs index 83a61d6e4d..ee032a2652 100644 --- a/compiler/GHC/Driver/Session.hs +++ b/compiler/GHC/Driver/Session.hs @@ -1946,7 +1946,8 @@ safeFlagCheck cmdl dflags = " must be specified with a Safe Haskell flag"] -- Have we inferred Unsafe? See Note [Safe Haskell Inference] in GHC.Driver.Main - safeFlags = all (\(_,_,t,_) -> not $ t dflags) unsafeFlagsForInfer + -- Force this to avoid retaining reference to old DynFlags value + !safeFlags = all (\(_,_,t,_) -> not $ t dflags) unsafeFlagsForInfer {- ********************************************************************** |