I tried the following code on gcc 4.4.5. If the member \'data\' is not present, the code executes fine, but in its presence, it crashes. It also doesn\'t crash when the derived class\' dtor is not vi
int 开发者_如何学JAVAfoo = foo; compiles. Which part of the C++ standard allows this? 3.3.1 Point of declaration[basic.scope.pdecl]
This question already has answers here: Closed 11 years ago. Possible Duplicate: Undefined Behavior and Sequence Points
Is it undefined开发者_如何学Python behavior if I go through the elements of a 2D array in the following manner?
I\'m fairly new to C and have started out writing a small library with functionality to get length of strings, reversing strings, converting binary data in char buffers to ints and shorts. Just for th
I\'m reading an int开发者_JS百科eresting article A Guide to Undefined Behavior in C and C++, Part 1 on undefined behavior in C and C++. Often I do the following in my code:
Given this example (which is a simplication of an example in the documentation for boost::multi_index_container about update rollbacks):
#include \"stdio.h\" class C { public: ~C() { printf(\"~C\\n\"); } }; int I(const C& c) { printf(\"I\\n\"); return 0; }
Below code is dealing with a TYPE* const 开发者_如何学运维pointer. struct D { void Check () { D* const p = new D; // 2nd test is \"p = 0;\"
This appears to be undefined behavior union A { int const x; float y; }; A a = { 0 }; a.y = 1; The spec says
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