Missing warnings for negative and too big shift count

[Veikka Tuominen]

$ clang a.c -c
a.c:1:14: warning: shift count is negative [-Wshift-count-negative]
int a = 0b11 << -32;
             ^  ~~~
a.c:2:14: warning: shift count >= width of type [-Wshift-count-overflow]
int b = 0b11 << 32;
             ^  ~~
2 warnings generated.

[Carter Snook]

Should this be implemented in Parser.zig?

[Veikka Tuominen]

Yes but you can also change the shift functions in Value.zig.