undefined-behavior

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Is accessing an element of a multidimensional array out of bounds undefined behavior?
user_46444680
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undefined-behavior multidimensional-array c arrays
In practice, why would different compilers compute different values of int x = ++i + ++i;?
user_135635200
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16
12591
undefined-behavior c++
What exactly happens when I use the return value of a void function (by casting a function pointer)?
Admin1
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3
167
undefined-behavior x86-64 assembly visual-c++ c++
Is incrementing a _Bool defined?
user_24224320
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4
2
171
undefined-behavior increment boolean c
Why need list argument in list splice func cpp
user_14333730
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2
1
58
splice undefined-behavior linked-list list c++
Call member function of non-active union member
user_3742000
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3
1
171
undefined-behavior unions c++
From semantic perspective, what's the moment an undefined behavior of `&mut` noalias occurred in Rust?
user_49901910
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5
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183
rust undefined-behavior unsafe llvm
Is UB in unevaluated context (e.g. requires-expressions) still UB?
user_25344720
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17
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230
c++-concepts undefined-behavior language-lawyer c++
atomic_ref when external underlying type is not aligned as requested
user_29450270
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2
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239
stdatomic c++20 undefined-behavior memory-alignment c++
Why are "i = ++i;" and "i = ++i + 2;" undefined behavior?
user_135856230
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2
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98
undefined-behavior operator-precedence c
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