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New posts in undefined-behavior

When does invoking a member function on a null instance result in undefined behavior?

c++ undefined-behavior language-lawyer standards-compliance null-pointer

Why does integer overflow on x86 with GCC cause an infinite loop?

c++ c gcc x86 undefined-behavior

Accessing inactive union member and undefined behavior?

c++ undefined-behavior language-lawyer unions

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

c++ gcc compiler-optimization undefined-behavior

Optimizing away a "while(1);" in C++0x

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

In practice, why would different compilers compute different values of int x = ++i + ++i;?

c++ undefined-behavior

Why does this loop produce "warning: iteration 3u invokes undefined behavior" and output more than 4 lines?

c++ gcc undefined-behavior

What are all the common undefined behaviours that a C++ programmer should know about? [closed]

c++ undefined undefined-behavior c++-faq

Why is unsigned integer overflow defined behavior but signed integer overflow isn't?

c++ c undefined-behavior integer-overflow

Why does this for loop exit on some platforms and not on others?

c debugging undefined-behavior buffer-overflow

Why is f(i = -1, i = -1) undefined behavior?

c++ language-lawyer undefined-behavior

Is uninitialized local variable the fastest random number generator?

c++ c undefined-behavior garbage

Does the C++ standard allow for an uninitialized bool to crash a program?

c++ llvm undefined-behavior abi llvm-codegen

Undefined, unspecified and implementation-defined behavior

c++ c undefined-behavior unspecified-behavior implementation-defined-behavior

Why are these constructs using pre and post-increment undefined behavior?

c increment undefined-behavior operator-precedence sequence-points

What is the strict aliasing rule?

c++ c undefined-behavior strict-aliasing type-punning

Undefined behavior and sequence points

c++ undefined-behavior c++-faq sequence-points
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