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New posts in undefined-behavior
Is this code well-defined regardless of copy elision?
Mar 13, 2022
c++
undefined-behavior
copy-elision
Why is PHP selecting the Random Values like that?
Nov 14, 2022
php
arrays
random
undefined-behavior
Is `C == C++` undefined behaviour?
May 05, 2017
c++
undefined-behavior
Convert a uint32_t to an int32_t without either a risk of overflow or excessive complexity
Aug 29, 2022
c++
undefined-behavior
Casting a char array to an object pointer - is this UB?
Feb 21, 2022
c++
pointers
c++14
undefined-behavior
At what point does dereferencing the null pointer become undefined behavior?
Sep 25, 2022
c++
object
null
undefined-behavior
dereference
If the value of an uninitialized variable shouldn't affect the value of an expression, is it still UB?
Nov 04, 2022
c
initialization
undefined-behavior
Load of misaligned address and UBsan finding
May 07, 2022
c
clang
undefined-behavior
memcpy
ubsan
Is the following C union access pattern undefined behavior?
Nov 12, 2022
c
language-lawyer
undefined-behavior
unions
type-punning
Can guaranteed UB be rejected at compile-time?
Sep 11, 2022
c++
c
language-lawyer
undefined-behavior
Undefined behavior: when attempting to access the result of function call
Sep 24, 2022
c
c99
undefined-behavior
function-calls
how to check that behavior is undefined in c?
Nov 08, 2022
c
undefined-behavior
sequence-points
Assignment and pointers, undefined behavior?
Apr 22, 2019
c
pointers
variable-assignment
undefined-behavior
Is it undefined behavior to pass-by-reference uninitialized variable?
May 29, 2018
c++
pass-by-reference
undefined-behavior
Access array beyond the limit in C and C++ [duplicate]
May 06, 2022
c++
c
arrays
undefined-behavior
How to prevent overflow when using usual math functions exp() log()?
Sep 23, 2022
c++
c
undefined-behavior
printf() with no arguments in C compiles fine. how?
Sep 24, 2022
c
printf
undefined-behavior
Is it illegal to use the h or hh length modifiers when the corresponding argument to printf was not a short / char?
Mar 09, 2022
c
printf
language-lawyer
undefined-behavior
short
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