Feedback and comments on ARM proposal - resend

Mark Mahieu markmahieu at
Wed Mar 18 00:39:11 PDT 2009

For anyone who likes puzzles, I'd recommend reading the code that deals with
all that DA/DU stuff in javac.
I prototyped a language change in javac last year, and spent more time on
understanding and subtly changing that code *just to get a better error
message* than I did on anything else.

All Neal's fault actually - nobody else complained about my diagnostic
messages ;)


2009/3/18 Jeremy Manson <jeremy.manson at>

> On Tue, Mar 17, 2009 at 10:43 PM, Neal Gafter <neal at> wrote:
> >            i = 1; // i is not definitely assigned here, so we assign to
> it
> The compiler is traditionally not very happy when you assign a value
> to a final variable. :)
> Jeremy

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