Add {-# OPTIONS_GHC -w #-} and some blurb to all compiler modules

[ghc-hetmet.git] / compiler / ghci / ByteCodeGen.lhs

diff --git a/compiler/ghci/ByteCodeGen.lhs b/compiler/ghci/ByteCodeGen.lhs
index 3f147c5..a67d003 100644 (file)
--- a/compiler/ghci/ByteCodeGen.lhs
+++ b/compiler/ghci/ByteCodeGen.lhs
@@ -5,6 +5,13 @@
 ByteCodeGen: Generate bytecode from Core
 
 \begin{code}
+{-# OPTIONS_GHC -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+--     http://hackage.haskell.org/trac/ghc/wiki/WorkingConventions#Warnings
+-- for details
+
 module ByteCodeGen ( UnlinkedBCO, byteCodeGen, coreExprToBCOs ) where
 
 #include "HsVersions.h"
@@ -1376,13 +1383,14 @@ lookupBCEnv_maybe = lookupFM
 idSizeW :: Id -> Int
 idSizeW id = cgRepSizeW (typeCgRep (idType id))
 
+-- See bug #1257
 unboxedTupleException :: a
 unboxedTupleException 
    = throwDyn 
-        (Panic 
-           ("Bytecode generator can't handle unboxed tuples.  Possibly due\n" ++
-            "\tto foreign import/export decls in source.  Workaround:\n" ++
-            "\tcompile this module to a .o file, then restart session."))
+        (ProgramError 
+           ("Error: bytecode compiler can't handle unboxed tuples.\n"++
+            "  Possibly due to foreign import/export decls in source.\n"++
+            "  Workaround: use -fobject-code, or compile this module to .o separately."))
 
 
 mkSLIDE n d = if d == 0 then nilOL else unitOL (SLIDE n d)