An ag(e)ing hacker - posts tagged as "gcc" -- Luca Saiu's blog

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Posts tagged as "gcc" (only one post is present)

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Global variable initialisation in C++ — 2021-11-18 22:00
Updated: 2022-11-26 18:37

Today Volker Birk (https://fdik.org/) and I were speaking over lunch about object initialisation in C++ and about how weakly defined a program entry point is, because of objects with static storage duration. Volker wrote a short program whose output changes after reversing the order of two variable definitions, both out of a ‘main’ function whose entire body was ‘return 0;’. He discussed it in German (https://blog.fdik.org/2021-11/s1637238415), on his blog (https://blog.fdik.org). I was more annoyed by the fact that initialisation order is not guaranteed to respect functional dependency across compilation units. Here is my test case, where GCC and the GNU [...] Read more

Tags: c++, english, free-software, gcc, gnu, myself, p≡p

Posts tagged as "gcc" (only one post is present)

Luca Saiu

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