X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fghci%2FByteCodeGen.lhs;h=479d35d51b35b94dd45f0396fdebe03118b37587;hb=cfe89540b4a0620d02b47786599ad1836d851b25;hp=3f147c53388435088a12098ef7c6d192b56474df;hpb=25753b0c80f84921be88c5c45161c6536f2c364d;p=ghc-hetmet.git

diff --git a/compiler/ghci/ByteCodeGen.lhs b/compiler/ghci/ByteCodeGen.lhs
index 3f147c5..479d35d 100644
--- a/compiler/ghci/ByteCodeGen.lhs
+++ b/compiler/ghci/ByteCodeGen.lhs
@@ -1376,13 +1376,14 @@ 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)