[Issue 18054] New: Wrong cast of float constant to bool

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18054

          Issue ID: 18054
           Summary: Wrong cast of float constant to bool
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: critical
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: rumbu at rumbu.ro

Any float constant between -1 and 1 cast to bool will return false:

float f = float.min_normal;

bool fcast1 = cast(bool)f;
bool fcast2 = cast(bool)(float.min_normal);

assert(fcast1); //ok
assert(fcast2); //error;

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