The Boston Diaries

The ongoing saga of a programmer who doesn't live in Boston, nor does he even like Boston, but yet named his weblog/journal “The Boston Diaries.”

Go figure.

Thursday, September 03, 2009

Neat, but I still don't like it

I'm not a fan of tail call optimization, but still, I didn't quite realize that gcc will optimize tail calls if given the -O2 option (found while reading Hacker News).

Okay, this is something I have to try out:

[spc]lucy:/tmp>cat >forever.c
int main(int argc,char *argv[])
  return main(--argc,argv);
[spc]lucy:/tmp>gcc forever.c
Segmentation fault (core dumped)
[spc]lucy:/tmp>gcc -O2 forever.c
	(several minutes go by)

That's interesting. Not sure how it'll impact any code I write, but still, it's interesting.

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