JavaScript

tags: 编程语言内存模型,JavaScript litmus test Litmus Test: ES2017 racy reads on ARMv8 Can this program (using atomics) see r1 = 0, r2 = 1? // Thread 1 // Thread 2 x = 1 y = 1 r1 = y x = 2 (non-atomic) r2 = x C++: yes (data race, can do anything at all). Java: the program cannot be written. ARMv8 using ldar/stlr: yes. ES2017: no! (contradicting ARMv8)