StackOverflow Questions for Tag: strict-aliasing

user20126994

Reputation: 459

In C++, is it valid to treat scalar members of a struct as if they comprised an array?

c++pointersstructundefined-behaviorstrict-aliasing

Score: 43

Answers: 4

JAB

Reputation: 21089

Strict aliasing, CUdeviceptr, and cuMemAllocManaged

c++pointerscudastrict-aliasing

Score: 2

Answers: 2

Evgeny Ilyin

Reputation: 141

Does casting a magic address to a pointer in C violate strict aliasing rules?

clanguage-lawyerstrict-aliasingmagic-numbers

Score: 4

Answers: 3

Macushla

Reputation: 133

Is it well defined to cast to an identical layout with const members?

c++constantslanguage-lawyerundefined-behaviorstrict-aliasing

Score: 9

Answers: 1

Konstantin W

Reputation: 481

GCC optimizing with -Os incorrectly assumes pointer to be NULL

cgcccompiler-optimizationstrict-aliasing

Score: 5

Answers: 1

Evgeny Ilyin

Reputation: 141

Mutual conversion of pointers to a structure and its first member, and strict aliasing in C

cpointer-to-memberstrict-aliasing

Score: 0

Answers: 3

Oersted

Reputation: 2734

is aliasing a plain array to an `std::array` not UB

c++language-lawyerundefined-behaviorstrict-aliasingstdarray

Score: 0

Answers: 1

user3624760

Reputation:

reinterpret_cast between char* and std::uint8_t* - safe?

c++c++11language-lawyerstrict-aliasinguint8t

Score: 69

Answers: 3

Etienne Dechamps

Reputation: 25351

Strict aliasing of first struct member through opaque pointer in C

clanguage-lawyerundefined-behaviorstrict-aliasing

Score: 2

Answers: 2

R.. GitHub STOP HELPING ICE

Reputation: 215507

Is unsigned char a[4][5]; a[1][7]; undefined behavior?

carraysundefined-behaviorstrict-aliasing

Score: 9

Answers: 6

blonded04

Reputation: 503

CAS'ing 32 lower bits of the 64 bit word in C++

c++c++20unionatomicstrict-aliasing

Score: 0

Answers: 2

maxschlepzig

Reputation: 39195

Aliasing accesses through a std::bit_cast()ed pointer

c++language-lawyerc++20strict-aliasing

Score: 3

Answers: 1

Lundin

Reputation: 214770

gcc -O3 diagnostic warning: '<U ea0>' is used uninitialized - UB, bug or "name mangling"?

cgcclanguage-lawyerstrict-aliasing

Score: 4

Answers: 1

PavelDev

Reputation: 683

How to convert a byte array to a type without UB?

c++c++20reinterpret-caststrict-aliasing

Score: 0

Answers: 0

R.. GitHub STOP HELPING ICE

Reputation: 215507

Understanding restrict qualifier by examples

cc99strict-aliasingrestrict-qualifier

Score: 17

Answers: 2

jacobsa

Reputation: 6638

In C++ can you use one empty type as storage for another?

c++language-lawyerc++20strict-aliasing

Score: 4

Answers: 1

bakaq

Reputation: 53

How to workaround strict aliasing in C?

cstrict-aliasing

Score: 3

Answers: 2

guitarflow

Reputation: 2970

Why does optimisation kill this function?

c++coptimizationendiannessstrict-aliasing

Score: 50

Answers: 3

Benoit

Reputation: 39094

What is the strict aliasing rule?

c++cundefined-behaviorstrict-aliasingtype-punning

Score: 1015

Answers: 11

ReotardoDaVinci

Reputation: 57

Is accessing a struct within a struct by pointers undefined behavior?

cundefined-behaviorstrict-aliasingtype-punning

Score: 3

Answers: 3

PreviousPage 2Next

StackOverflow Questions for Tag: strict-aliasing

In C++, is it valid to treat scalar members of a struct as if they comprised an array?

Strict aliasing, CUdeviceptr, and cuMemAllocManaged

Does casting a magic address to a pointer in C violate strict aliasing rules?

Is it well defined to cast to an identical layout with const members?

GCC optimizing with -Os incorrectly assumes pointer to be NULL

Mutual conversion of pointers to a structure and its first member, and strict aliasing in C

is aliasing a plain array to an `std::array` not UB

reinterpret_cast between char* and std::uint8_t* - safe?

Strict aliasing of first struct member through opaque pointer in C

Is unsigned char a[4][5]; a[1][7]; undefined behavior?

CAS&#39;ing 32 lower bits of the 64 bit word in C++

Aliasing accesses through a std::bit_cast()ed pointer

gcc -O3 diagnostic warning: &#39;&lt;U ea0&gt;&#39; is used uninitialized - UB, bug or &quot;name mangling&quot;?

How to convert a byte array to a type without UB?

Understanding restrict qualifier by examples

In C++ can you use one empty type as storage for another?

How to workaround strict aliasing in C?

Why does optimisation kill this function?

What is the strict aliasing rule?

Is accessing a struct within a struct by pointers undefined behavior?

CAS'ing 32 lower bits of the 64 bit word in C++

gcc -O3 diagnostic warning: '<U ea0>' is used uninitialized - UB, bug or "name mangling"?