If I decrement `std::size_t(0)` is that guaranteed to be equal to `std::size_t(-1)`?...

Does offsetof require pointer derefence?...

is casting char pointer to int pointer a undefined behavior?...

Is transmuting bytes to a float safe or might it produce undefined behavior?...

Different results for idiv instruction...

Operation on ... may be undefined?...

Is std::memcpy between different trivially copyable types undefined behavior?...

Is it defined behavior to reference an early member from a later member expression during aggregate ...

Convert built-in data type to std::string: memcpy vs snprintf...

Why does shifting a variable by more than its width in bits zeroes out?...

Is it undefined behavior to call printf with %s and pass a zero-length char*?...

Is `y = x = x + 1;` undefined behavior?...

Variadic macros: Different output for identical code...

Is the 16-bit math in this program invoking undefined behavior?...

Does casting an array to a char* imply a limit on the string's length?...

Correctness of misaligned access in C++...

sem_post, signal handlers, and undefined behavior...

Why does the enhanced GCC 6 optimizer break practical C++ code?...

C++ code is giving a run-time error in the condition of for loop Whereas it is compiling correctly i...

Strange GCC6 optimization with builtin function...

Passing non-lvalue as const reference argument. Is the temp created in local scope or caller scope?...

Why deleting void* is UB rather than compilation error?...

Not able to find the reason for undefined behavior...

C - Why is my array being overwritten?...

for loop resulting in undefined behaviour c...

Why is writing to a non-const object after casting away const of pointer to that object not UB?...

Usage of string::c_str() and data() under pre-C++11 standards...

How do we explain the result of the expression (++x)+(++x)+(++x)?...

Is initializing a pointer declarator with an invalid pointer undefined behavior?...

Is there any compiler flag that I could use in the code below to report a warning about UB?...