Don't duplicate decls unnecessarily in the environment
authorIan Lynagh <ian@well-typed.com>
Mon, 22 Apr 2013 18:48:06 +0000 (19:48 +0100)
committerIan Lynagh <ian@well-typed.com>
Tue, 23 Apr 2013 19:24:10 +0000 (20:24 +0100)
commitb49307f5b69a3ee9c7d1bcaf9d0dec3c9b3c2440
treeb2f268c9fe1970fb3e96cd0a8d6a7866188bd258
parenta496e9aa5f248d950e39181f530cfb8ef15ecdf0
Don't duplicate decls unnecessarily in the environment

In loopDecls, as far as I can see the globalDecls will always
already be in the environment, so don't add them again.
compiler/codeGen/StgCmmExtCode.hs