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New posts in undefined-behavior
Why does returning a reference to a automatic variable work?
Jun 29, 2022
c++
reference
return
undefined-behavior
Filling a std::array at compile time and possible undefined behaviour with const_cast
Feb 03, 2022
c++
c++14
undefined-behavior
constexpr
const-cast
How to catch undefined behaviour in function argument initialization
Sep 07, 2022
c++
undefined-behavior
unspecified-behavior
Out of the bounds in C++ and undefined behaviour
Aug 28, 2022
c++
language-lawyer
undefined-behavior
Is (++i)++ undefined behavior?
Jan 31, 2022
c++
c++11
language-lawyer
undefined-behavior
sequence-points
Undefined behavior causing time travel
Dec 02, 2021
c++
undefined-behavior
Does calling printf without a proper prototype invoke undefined behavior?
Oct 30, 2017
c
printf
language-lawyer
undefined-behavior
function-prototypes
Does this code produce Undefined Behavior or it is merely Unspecified Behavior?
Oct 30, 2022
c++
undefined-behavior
primitive-types
unspecified-behavior
static-order-fiasco
Why worry about 'undefined behavior' in >> of signed type?
Feb 06, 2022
c++
c
hardware
bit-manipulation
undefined-behavior
Is SSE2 signed integer overflow undefined?
Dec 22, 2019
c
language-lawyer
undefined-behavior
sse2
Swap integers via XOR in single line. Is it really allowed in c++11?
Sep 06, 2022
c++
c++11
language-lawyer
undefined-behavior
Rationale for pointer comparisons outside an array to be UB
Oct 07, 2022
c
pointers
language-lawyer
undefined-behavior
Code crashes when derived class' destructor is virtual and base class' dtor is not
Sep 14, 2022
c++
gcc
crash
undefined-behavior
virtual-destructor
Why is writing to a non-const object after casting away const of pointer to that object not UB?
Aug 26, 2022
c++
constants
undefined-behavior
const-correctness
const-cast
Is the behavior of i = post_increment_i() specified, unspecified, or undefined?
Sep 26, 2019
c
language-lawyer
undefined-behavior
operator-precedence
sequence-points
Is there any guarantee about whether code with UB should be reachable?
Jun 29, 2022
c++
visual-c++
compiler-optimization
undefined-behavior
How can both (i + 1) < ii and (i + 1) > ii both be true?
Aug 29, 2022
c
undefined-behavior
integer-overflow
Why is initialization of a new variable by itself valid? [duplicate]
Nov 03, 2022
c++
initialization
undefined-behavior
variable-declaration
Undefined behaviour of operators in XOR swap algorithm?
Sep 12, 2022
c++
c
operators
swap
undefined-behavior
Incrementing NULL pointer in C
Mar 28, 2022
c
pointers
null
undefined-behavior
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