xmh0511

xmh0511 has asked 123 questions and find answers to 28 problems.

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About

A c++ developer.

I'm trying to be a qualified c++ language lawyer(but so hard...). [with hard=<historical, argue, redundant, defect>]

xmh0511 questions

Is int a = ++i + ++i undefined behaviour?
Is it not necessary to result in UB when using a glvalue of type char to access an object of another type
what is the meaning of the phrase "preceding initialization" in section [expr.const]
What does "be representable in execution character set" mean?
Is the instantiation be performed for the type that participate in partial ordering
Function overloading: empty parameter list vs parameter pack
Is it an undefined behavior when use the pointer that return from operator new as a pointer to element of array
Is it a bug in clang that defines a member of a namespace without using nested-name-specifier
A issue about the class member access while the nominated data member is of reference type
Understanding user-defined string literal compiler error ".. is not a variable" [duplicate]

xmh0511 answers

Is int a = ++i + ++i undefined behaviour?
Destructor called more times than it should. Bug in MSVC or not?
How do variadic type template parameters and non-type template parameters of the template template parameter of a nested class constrain each other?
Member access rules for friend of derived class, where the naming class is the base class
How to compare two standard conversion sequences use the rank of contained conversions
How do c++ compilers find an extern variable?
Using decltype(auto) in C++ non-type template parameter
Why is the braced-init-list not supported in an aggregate deduction but brace elision is supported?
Why does whether a struct's destructor runs depend on the type of a member variable?
why is there a "never use non-literal type" rule in constexpr functions?