The unpredictable outcome of compiling or executing a program which breaks rules of the language neither compiler, interpreter nor runtime-system have to enforce.
When asking about common undefined behavior in C, people sometimes refer to the strict aliasing rule. What are they talking …
c undefined-behavior strict-aliasing type-punningWhat are "sequence points"? What is the relation between undefined behaviour and sequence points? I often use funny and convoluted …
c++ undefined-behavior c++-faq sequence-pointsMy question sounds specific, but I doubt it still can be of a C++ debug issue. I am using omnet++ …
c++ gdb segmentation-fault undefined-behavior#include <stdio.h> int main(void) { int i = 0; i = i++ + ++i; printf("%d\n", i); // 3 i = 1; i = (i++); …
c increment undefined-behavior operator-precedence sequence-pointsWhat are all the common undefined behaviours that a C++ programmer should know about? Say, like: a[i] = i++;
c++ undefined undefined-behavior c++-faqCompiling this: #include <iostream> int main() { for (int i = 0; i < 4; ++i) std::cout << i*1000000000 <&…
c++ gcc undefined-behaviorWhat is undefined behavior in C and C++? What about unspecified behavior and implementation-defined behavior? What is the difference between …
c++ c undefined-behavior unspecified-behavior implementation-defined-behaviorUnsigned integer overflow is well defined by both the C and C++ standards. For example, the C99 standard (§6.2.5/9) states A …
c++ c undefined-behavior integer-overflowI know that an "undefined behaviour" in C++ can pretty much allow the compiler to do anything it wants. However, …
c++ llvm undefined-behavior abi llvm-codegenI have the following code FRAME frameArray[5][10]; // Create the array of frames int trackBufferFull[5] = {0, 0, 0, 0, 0};// Keeps track of how full the …
c undefined-behavior