Re: Bart's Language

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Sujet : Re: Bart's Language
De : Keith.S.Thompson+u (at) *nospam* gmail.com (Keith Thompson)
Groupes : comp.lang.c
Date : 21. Mar 2025, 00:22:13
Autres entêtes
Organisation : None to speak of
Message-ID : <87a59fs2xm.fsf@nosuchdomain.example.com>
References : 1 2 3 4 5 6
User-Agent : Gnus/5.13 (Gnus v5.13)
antispam@fricas.org (Waldek Hebisch) writes:
[...]
Well, it is rather easy to see if variable is used within its
own initialization, so practically it is minor gap.  Of course,
there is problem with C standard: IIUC depending on rest of
the code declarations as above are merely undefined behaviour
or even produce unspecified value.  So C compiler is
forbidden to stop compilation are report compile time error.

Valid responses to undefined behavior include "terminating a translation
or execution (with the issuance of a diagnostic message)".  In other
words, if a compiler is able to prove that a program has undefined
behavior (that will occur on each execution), it can reject it at
compile time.

--
Keith Thompson (The_Other_Keith) Keith.S.Thompson+u@gmail.com
void Void(void) { Void(); } /* The recursive call of the void */

Date Sujet#  Auteur
18 Mar 25 * Bart's Language51bart
18 Mar 25 `* Re: Bart's Language50Waldek Hebisch
18 Mar 25  `* Re: Bart's Language49bart
18 Mar 25   `* Re: Bart's Language48Waldek Hebisch
18 Mar 25    +* Re: Bart's Language40bart
18 Mar 25    i+* Re: Bart's Language32David Brown
18 Mar 25    ii`* int a = a (Was: Bart's Language)31Kenny McCormack
18 Mar 25    ii +* Re: int a = a (Was: Bart's Language)22Janis Papanagnou
18 Mar 25    ii i+- Re: int a = a (Was: Bart's Language)1Kaz Kylheku
19 Mar 25    ii i`* Re: int a = a (Was: Bart's Language)20David Brown
19 Mar 25    ii i +- Re: int a = a (Was: Bart's Language)1Kaz Kylheku
19 Mar 25    ii i +* Re: int a = a11Keith Thompson
20 Mar 25    ii i i+* Re: int a = a9Tim Rentsch
20 Mar 25    ii i ii`* Re: int a = a8Keith Thompson
20 Mar 25    ii i ii `* Re: int a = a7David Brown
20 Mar 25    ii i ii  `* Re: int a = a6Keith Thompson
21 Mar 25    ii i ii   `* Re: int a = a5David Brown
21 Mar 25    ii i ii    `* Re: int a = a4Keith Thompson
21 Mar 25    ii i ii     +- Re: int a = a1David Brown
22 Mar 25    ii i ii     `* Re: int a = a2Tim Rentsch
22 Mar 25    ii i ii      `- Re: int a = a1Keith Thompson
20 Mar 25    ii i i`- Re: int a = a1David Brown
19 Mar 25    ii i +* Re: int a = a (Was: Bart's Language)5Chris M. Thomasson
20 Mar 25    ii i i`* Re: int a = a (Was: Bart's Language)4David Brown
20 Mar 25    ii i i `* Re: int a = a (Was: Bart's Language)3bart
20 Mar 25    ii i i  `* Re: int a = a (Was: Bart's Language)2David Brown
20 Mar 25    ii i i   `- Re: int a = a (Was: Bart's Language)1wij
20 Mar 25    ii i `* Re: int a = a (Was: Bart's Language)2Tim Rentsch
20 Mar 25    ii i  `- Re: int a = a (Was: Bart's Language)1David Brown
18 Mar 25    ii +* Re: int a = a (Was: Bart's Language)3David Brown
18 Mar 25    ii i`* Re: int a = a (Was: Bart's Language)2Janis Papanagnou
19 Mar 25    ii i `- Re: int a = a (Was: Bart's Language)1David Brown
19 Mar 25    ii `* Re: int a = a (Was: Bart's Language)5Tim Rentsch
19 Mar 25    ii  +- Re: int a = a1Keith Thompson
19 Mar 25    ii  +- Re: int a = a (Was: Bart's Language)1David Brown
19 Mar 25    ii  `* Re: int a = a (Was: Bart's Language)2Rosario19
20 Mar 25    ii   `- Re: int a = a (Was: Bart's Language)1Tim Rentsch
20 Mar 25    i`* Re: Bart's Language7Waldek Hebisch
21 Mar 25    i `* Re: Bart's Language6Keith Thompson
22 Mar 25    i  `* Re: Bart's Language5Waldek Hebisch
22 Mar 25    i   `* Re: Bart's Language4James Kuyper
22 Mar 25    i    +* Re: Bart's Language2Waldek Hebisch
23 Mar 25    i    i`- Re: Bart's Language1James Kuyper
23 Mar 25    i    `- By definition... (Was: Bart's Language)1Kenny McCormack
18 Mar 25    `* Re: Bart's Language7bart
20 Mar 25     `* Re: Bart's Language6Waldek Hebisch
21 Mar 25      +* Re: Bart's Language4Kaz Kylheku
21 Mar 25      i`* Re: Bart's Language3bart
21 Mar 25      i `* Re: Bart's Language2Kaz Kylheku
22 Mar 25      i  `- Re: Bart's Language1Tim Rentsch
21 Mar 25      `- Re: Bart's Language1bart

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