Tim's journal

One of the things about working on compilers that I find satisfying is that what looks like a completely mundane bug at first can expose an interesting question. (Maybe it goes the other direction sometimes too, but I can't think of any examples offhand.)

I mentioned on Wednesday that I was working on trying to isolate a segfault bug resulting from a combination of my (seemingly trivial) changes to trans (that is, what we call the code generation pass), and Eric's changes to trans. After spending a lot of Friday on this too, I was able to isolate the code in trans that was causing the crash: ( Cut for length )