Is it specified what the value of x should be after this expression? x=0; : $((x+=x=1))
Bash, ksh93, mksh, posh say 1. zsh, dash, busybox say 2. Clang and gcc both
throw warnings about it, but both plus icc agree on 2.
<stdin>:1:42: warning: unsequenced modification and access to 'x'
[-Wunsequenced]
int main() { int x=0; printf("%d\n", x+=x=1); return 0; }
~~ ^
1 warning generated.
2
--
Dan Douglas
