[Issue 18878] New: Short-circuiting && not behaving correctly

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18878

          Issue ID: 18878
           Summary: Short-circuiting && not behaving correctly
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: regression
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: turkeyman at gmail.com

Well, this is not okay!

enum isInternal(string field) = field.length >= 2 && field[0..2] == "__";
pragma(msg, isInternal!"x");

> error : string slice `[0 .. 2]` is out of bounds

My code used to compile.

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