https://issues.dlang.org/show_bug.cgi?id=24703

          Issue ID: 24703
           Summary: Assigning from comma expression is allowed
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: minor
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: nick@geany.org

The last line below should error.

void main()
{
    int x = 1, y;
    //y = (x++,x++); // Error: using the result of a comma expression is not
allowed
    y = x++,x++; // no error
}

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