[project @ 2001-10-08 13:24:53 by simonmar]

Don't panic when an out-of-range optimisation level is requested.

diff --git a/ghc/compiler/main/DriverFlags.hs b/ghc/compiler/main/DriverFlags.hs
index d86d595..461a70d 100644 (file)
--- a/ghc/compiler/main/DriverFlags.hs
+++ b/ghc/compiler/main/DriverFlags.hs
@@ -1,7 +1,7 @@
 {-# OPTIONS -#include "hschooks.h" #-}
 
 -----------------------------------------------------------------------------
--- $Id: DriverFlags.hs,v 1.73 2001/10/01 13:57:13 rrt Exp $
+-- $Id: DriverFlags.hs,v 1.74 2001/10/08 13:24:53 simonmar Exp $
 --
 -- Driver flags
 --
@@ -463,7 +463,8 @@ buildStaticHscOpts = do
            0 -> hsc_minusNoO_flags
            1 -> hsc_minusO_flags
            2 -> hsc_minusO2_flags
-           _ -> error "unknown opt level"
+           n -> throwDyn (CmdLineError ("unknown optimisation level: "
+                                         ++ show n))
            -- ToDo: -Ofile
  
        -- take into account -fno-* flags by removing the equivalent -f*