Unverified50% confidenceFactExact time
The compiler assumes that signed addition never overflows, thereby concluding that certain boundary conditions are unreachable and deleting the corresponding check branches, which is extremely common at -O2 and above.
1
Sources
50%
Confidence
Long-term
Relevance
10/15/2026
First Seen
Sources
Related Entities
Related Claims
Unverified主流编译器在 -O2 及以上优化级别下能对符合条件的尾调用进行优化75% similarUnverifiedThe C standard defines signed integer overflow as undefined behavior, allowing compilers to assume that loop counters never overflow in order to achieve better vectorization optimizations.69% similarUnverified在绝对式编码器中使用格雷码可消除读取瞬间的歧义,任意相邻位置只有一位变化,最多偏差一个计数68% similarVerifiedIn code scenarios, slicing by function boundaries preserves more complete semantic units than slicing by fixed character counts.68% similarUnverified代码文件不适合按固定字符数分割,需按函数、类或模块边界进行语义分块以保留完整代码单元65% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1037277API
curl https://kongchang.com/api/v1/knowledge/claims/1037277MCP
get_claim(id=1037277)