C:\hg>csc  -O3 -stack-size 256k 1.scm


C:\hg>1
max 47.
max 47.
max 31.
max 31.
max 32.
max 31.
max 32.
max 32.
max 31.
max 31.
max 31.
max 31.
max 31.
max 31.
max 31.

C:\hg>csc  -O3 -stack-size 512k 1.scm


C:\hg>1
[panic] out of memory - heap full while resizing - execution terminated

...more...
1.scm:13: loop
1.scm:13: loop
1.scm:13: loop
1.scm:13: loop
1.scm:13: loop
1.scm:13: loop
1.scm:13: loop
1.scm:13: loop
1.scm:13: loop
1.scm:13: loop
1.scm:13: loop
1.scm:13: loop
1.scm:13: loop
1.scm:13: loop
1.scm:13: loop
1.scm:13: loop  <--