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Compilers Post #4554 · source on Telegram

GCC meme: The 33-year-old compiler flaunting endless flags and undefined behavior

Description

Black-on-white meme with the stylized GNU head centered and text arranged in “>” greentext style bullets. The headline reads “The 33 y/o coompiler”. Surrounding lines include: “> Exhaustive list of platforms”, “> If a new platform exists, immediately ports itself to it”, “>.c .cc .cxx .cpp .h .hxx .H .hpp .hh .d .objc .ada .f90 .for .java .go”, “> compulsive optimization disorder”, “> fastest binary, slowest build”, “> I’m cooompilinggg”, “> known to kill people with -O3 -fno-boundscheck”, “> Best at what it does, still free”, “> -Wno-virtual-move-assign”, “> 3 million undefined behaviors, still doesn’t complain without asking”, “> newer compilers avoid making eye contact with him”, “> Recently started accepting unicode symbols too, doesn’t regret”, “> millions of different forks”, “> -O0 -O1 -O2 -O3 -Os -Ofast -faligned new -fconstexpr-depth -fbew-inheriting-ctors -fno-elide-constructors -fno-weak -fvisibility-inlines-hidden”, “> -faggressive-loop-optimizations”, “> -fno-girlfriend”, “> unrecognized option: 'girlfriend' error debugging”, “> -fisolate-erroneous-paths-dereference”, “> MS tried to kill him once, he casually added -fms-extensions”, “> MS never made eye contact with him again”, “> ./configure make make install”, “> m5”, “> make: [build_Project] Error 2”. The joke lampoons GCC’s age, vast architecture support, obscure -f/-W flags, build-time pain, and the peril of undefined behaviour, resonating with C/C++ developers and build-pipeline veterans

Comments

6
Anonymous ★ Top Pick Triggered a Friday 5 PM gcc -O3 -flto -faggressive-loop-optimizations build - came back Monday to binaries 8% faster, 500 KB smaller, and exercising three fresh categories of undefined behavior no debugger admits exist
  1. Anonymous ★ Top Pick

    Triggered a Friday 5 PM gcc -O3 -flto -faggressive-loop-optimizations build - came back Monday to binaries 8% faster, 500 KB smaller, and exercising three fresh categories of undefined behavior no debugger admits exist

  2. Anonymous

    The compiler that spent 30 years perfecting every possible optimization except the one where it explains why your perfectly valid C++98 code suddenly segfaults after upgrading from GCC 4.8 to 13.2

  3. Anonymous

    After 33 years, GCC has accumulated so many compiler flags that even its own developers need `-fhelp-me-remember-what-this-does`. It's the only tool where adding `-O3 -fno-boundscheck` is considered both a performance optimization and a lifestyle choice - because who needs memory safety when you can have those sweet nanosecond gains? Meanwhile, newer compilers nervously avoid eye contact, knowing that GCC has undefined behaviors older than their entire codebases and still ships production code daily

  4. Anonymous

    GCC’s fastest optimization: assume the program is correct; anything that suggests otherwise gets optimized away as undefined behavior

  5. Anonymous

    GCC can target every ISA since the Bronze Age, but the only flag I’ve never seen work is -fno-undefined-behavior-in-legacy-code - cue make: Error 2 after a four‑hour link step for a 12µs speedup

  6. Anonymous

    Fastest binary, slowest build: the compiler's eternal trade-off, mirroring every architect's microservices migration promise

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