[Issue 6949] no warning or error if unsigned variable is compared to 0

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=6949



--- Comment #12 from bearophile_hugs at eml.cc 2012-11-30 04:17:15 PST ---
Regarding a comment by Don, is it possible to generate a warning/error only in
foo() and not in bar()?


void foo(uint x) {
    if (x < 0) {} // error or warning here
}
void bar(T)(T x) {
    if (x < 0) {} // OK
}
void main() {
    foo(5U);
    bar(5U);
}

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