patch applied (ghc): Fix Trac #4534: renamer bug

Fri Dec 10 12:49:10 CET 2010

Fri Dec 10 00:45:30 PST 2010  simonpj at microsoft.com
  * Fix Trac #4534: renamer bug

  The renamer wasn't attaching the right used-variables to a
  TransformStmt constructor.

  The real modification is in RnExpr; the rest is just
  pretty-printing and white space.

    M ./compiler/deSugar/DsListComp.lhs -9 +8
    M ./compiler/hsSyn/HsExpr.lhs -7 +10
    M ./compiler/rename/RnExpr.lhs -1 +3

View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=ghc;a=darcs_commitdiff;h=20101210084530-1287e-3066fd2669f1adf60bac18f5403ecae39cf37fb9.gz