undefined-behavior

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Can not knowing whether something is elided introduce undefined behavior?
user_129040500
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4
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77
copy-elision undefined-behavior c++
Is it safe to reinterpret_cast between a Type and a Wrapper<Type>?
user_112798790
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4
1
233
strict-aliasing undefined-behavior language-lawyer reinterpret-cast c++
Is it valid to pass the address of a non-array variable to a function parameter declared as `Type ptr[static 1]`?
user_27703310
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6
2
216
undefined-behavior standards null function c
Consistency and behavior of %n operator in *scanf
user_32296840
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7
1
77
undefined-behavior scanf glibc c
Is undefined behavior possible in safe Rust?
user_128165390
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7
1
2005
rust standard-library undefined-behavior unsafe
Generating prefix bitmasks
user_82171800
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3
4
199
undefined-behavior bit-manipulation c c++
Question about the behavior of uninitialized pointers to integers when used in the printf function
user_136601220
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4
2
67
undefined-behavior language-lawyer pointers printf c
How are constant struct members handled in C?
Admin1
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2
3
144
undefined-behavior bus-error struct constants c
C++ value initialized vector iterator comparison
user_84945880
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4
2
454
c++17 undefined-behavior language-lawyer iterator c++
Is using std::memcpy on a whole union guaranteed to preserve the active union member?
Admin1
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5
4
293
undefined-behavior memcpy unions c++
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