[Issue 11970] New: Self-assigned variable expression with no effect doesn't have compiler error

[d-bugmail at puremagic.com]

https://d.puremagic.com/issues/show_bug.cgi?id=11970

           Summary: Self-assigned variable expression with no effect
                    doesn't have compiler error
           Product: D
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: ilya-stromberg-2009 at yandex.ru


--- Comment #0 from ilya-stromberg <ilya-stromberg-2009 at yandex.ru> 2014-01-22 08:23:44 PST ---
Reduced example:

void main()
{
    int i;
    i = i;
}

The code `i = i;` does nothing, but there are no compiler error.

This error in real life:
https://github.com/rejectedsoftware/vibe.d/issues/406

Note that we already have errors for no effect expression, for example for this
code: `int i; i;` - `Error: var has no effect in expression (i)`.

-- 
Configure issuemail: https://d.puremagic.com/issues/userprefs.cgi?tab=email
------- You are receiving this mail because: -------