language agnostic - What's the shortest code to cause a stack overflow? -

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to commemorate public launch of stack overflow, what's shortest code cause stack overflow? language welcome.

eta: clear on question, seeing i'm occasional scheme user: tail-call "recursion" iteration, , solution can converted iterative solution relatively trivially decent compiler won't counted. :-p

eta2: i've selected “best answer”; see this post rationale. contributed! :-)

all these answers , no befunge? i'd wager fair amount it's shortest solution of them all:

1

not kidding. try yourself: http://www.quirkster.com/iano/js/befunge.html

edit: guess need explain one. 1 operand pushes 1 onto befunge's internal stack , lack of else puts in loop under rules of language.

using interpreter provided, eventually--and mean eventually--hit point javascript array represents befunge stack becomes large browser reallocate. if had simple befunge interpreter smaller , bounded stack--as case of languages below--this program cause more noticeable overflow faster.


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