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New posts in undefined-behavior

Is this undefined C behaviour?

c undefined-behavior

How does pointer comparison work in C? Is it ok to compare pointers that don't point to the same array?

c pointers heap-memory undefined-behavior memory-layout

Why is it undefined behavior to delete[] an array of derived objects via a base pointer?

c++ undefined-behavior dynamic-arrays delete-operator

Incorrect cast - is it the cast or the use which is undefined behavior

c++ casting language-lawyer undefined-behavior

When is casting between pointer types not undefined behavior in C?

c casting undefined-behavior

A question about union in C - store as one type and read as another - is it implementation defined?

c undefined undefined-behavior unions

const member and assignment operator. How to avoid the undefined behavior?

c++ constants undefined-behavior assignment-operator

Function optimized to infinite loop at 'gcc -O2'

c gcc optimization undefined-behavior

How to explain undefined behavior to know-it-all newbies?

c++ undefined-behavior

gcc-4.9 Undefined Behavior Sanitizer

c++ gcc undefined-behavior gcc4.9

Realloc on NULL-valued (or undefined) pointer

c undefined-behavior realloc

C++ delete - It deletes my objects but I can still access the data?

c++ pointers undefined-behavior delete-operator c++-faq

32 bit unsigned multiply on 64 bit causing undefined behavior?

c undefined-behavior

With C++11, is it undefined behavior to write f(x++), g(x++)?

c++ c++11 expression undefined-behavior

No warning or error (or runtime failure) when contravariance leads to ambiguity

c# .net undefined-behavior contravariance ambiguity

Setting extra bits in a bool makes it true and false at the same time

c++ boolean undefined-behavior evaluation abi

Does sscanf("123456789123456789123456789", "%d", &n) have defined behavior?

c scanf undefined-behavior

In C++11, does `i += ++i + 1` exhibit undefined behavior?

c++ c++11 language-lawyer undefined-behavior

Is this a compiler optimisation bug, or an undefined behaviour?

c++ visual-studio-2010 visual-studio compiler-optimization undefined-behavior

Why does left shift operation invoke Undefined Behaviour when the left side operand has negative value?

c++ c language-lawyer undefined-behavior bit-shift
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