Wed, 26 Nov 2008 17:02:54 -0500, bearophile wrote:
> > While on DMD 1.036 the following code:
> >
> > // code #2
> > import std.c.stdio: printf;
> >
> > int a(int k, lazy int x1, lazy int x2, lazy int x3, lazy int x4, lazy int x5) {
> > int b() {
> > k -= 1;
> > return a(k, b(), x1, x2, x3, x4);
> > }
> > return k <= 0 ? x4 + x5 : b();
> > }
> >
> > void main() {
> > printf("%d\n", a(24, 1, -1, -1, 1, 0));
> > }
> >
> > Outputs at compile time:
> >
> > man_or_boy2.d(6): delegate man_or_boy2.a.b.__dgliteral1 is a nested function and cannot be accessed from a
> > man_or_boy2.d(6): delegate man_or_boy2.a.b.__dgliteral2 is a nested function and cannot be accessed from a
> > man_or_boy2.d(6): delegate man_or_boy2.a.b.__dgliteral3 is a nested function and cannot be accessed from a
> > man_or_boy2.d(6): delegate man_or_boy2.a.b.__dgliteral4 is a nested function and cannot be accessed from a
> > man_or_boy2.d(6): delegate man_or_boy2.a.b.__dgliteral5 is a nested function and cannot be accessed from a
> >
> > But this code works on the codepad site, that uses DMD v.1.026 (I think with Tangobos), up to N=21 (then the site goes into timeout for safety):
> > http://codepad.org/8GtKswm8
[snip]
> > All the following compilations are done with and N=20 and:
> > dmd -O -release -inline -L/STACK:1700000000 man_or_boy.d
> > dmd -O -release -inline -L/STACK:1700000000 man_or_boy2.d
Remove -inline from your compiler options, and #2 compiles and runs
faster in both D1 and D2 than #1.
lazy seems to do something funny when -inline is in effect.
Comment #1 by smjg — 2009-01-11T16:47:28Z
Not sure how this has stayed ignorant of 2474's existence for so long....
*** This bug has been marked as a duplicate of 2474 ***