Robustify the setting of implied flags
authorsimonpj@microsoft.com <unknown>
Wed, 10 Sep 2008 08:15:28 +0000 (08:15 +0000)
committersimonpj@microsoft.com <unknown>
Wed, 10 Sep 2008 08:15:28 +0000 (08:15 +0000)
commit3998d13f096efb302cf83865b611746765596754
tree31f64a31051001cb34961174bda2b4ae15063391
parentcff03e1102c0e998c36c40c846eec73f06288b04
Robustify the setting of implied flags

When setting implied flags, do so recursively.  So if -Xa implies -Xb,
and -Xb implies -Xc, we do the right thing.

I thought we needed this, but we don't.  But it seems like a good idea
anyway.
compiler/main/DynFlags.hs