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New posts in undefined-behavior

Swapping `std::aligned_storage` instances containing non-trivially-copyable types - undefined behavior?

c++ language-lawyer swap undefined-behavior c++14

Skipping switch cases via false loop is a valid operation?

c c99 undefined-behavior

When is reinterpret_cast UB?

c++ language-lawyer c++20 undefined-behavior reinterpret-cast

Is it undefined behavior to dereference a *mut T cast to *mut ManuallyDrop<T>?

rust undefined-behavior unsafe raw-pointer

"The implementation may assume X" implies undefined behavior when X does not hold?

c++ language-lawyer undefined-behavior

C: Undefined behavior when multiplying uint16_t?

c undefined-behavior signed-overflow

Segmentation Fault while running following C program

arrays c for-loop undefined-behavior string-literals

Do the printf statements in this example invoke Undefined Behavior?

c undefined-behavior

Is this undefined behaviour in C++ calling a function from a dangling pointer

c++ pointers undefined-behavior dangling-pointer

Question on Usual Arithmetic Conversions - GCC Compiler

c type-conversion undefined-behavior implicit-conversion integer-promotion

When undefined behavior can be considered well-known and accepted?

c windows undefined-behavior

Does returning a bound local function object cause undefined behaviour?

c++ c++11 undefined-behavior function-object

Is it undefined behavior to pass a pointer to an unconstructed streambuf object to the ostream constructor?

c++ language-lawyer undefined-behavior iostream

Is it UB to twice drop the same value of a type for which needs_drop() returns false?

rust undefined-behavior

"*s = 0" being optimized out. Possible GCC 13 bug? Or some undefined behaviour?

c gcc undefined-behavior

Is INT_MIN subtracted from any integer considered undefined behavior?

c++ undefined-behavior integer-overflow

initialize array, placement new, read variables, defined behavior?

c++ language-lawyer undefined-behavior placement-new

Any number divided by 0 in C ,does it come under segmentation fault?

c segmentation-fault undefined-behavior divide-by-zero
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