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New posts in 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

Getting a dangling pointer by returning a pointer from a local C-style array

c++ pointers memory undefined-behavior

Operation on ... may be undefined?

c undefined-behavior

Does integer overflow cause undefined behavior because of memory corruption?

c++ c x86 undefined-behavior integer-overflow

Why do constant expressions have an exclusion for undefined behavior?

c++ c++11 undefined-behavior sfinae constexpr

Is undefined behavior only an issue if you are deploying on several platforms?

c++ undefined-behavior

Do std::min(0.0, 1.0) and std::max(0.0, 1.0) yield undefined behavior?

c++ floating-point language-lawyer undefined-behavior c++-standard-library

Code with undefined behavior in C#

c# c++ undefined-behavior

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

c++ language-lawyer c++17 undefined-behavior strict-aliasing

In C99, is f()+g() undefined or merely unspecified?

c c99 undefined-behavior sequence-points unspecified-behavior
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