[Issue 9572] New: Missed wrong implicit integral conversion

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=9572

           Summary: Missed wrong implicit integral conversion
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: accepts-invalid, diagnostic
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: bearophile_hugs at eml.cc


--- Comment #0 from bearophile_hugs at eml.cc 2013-02-22 11:09:10 PST ---
void main() {
    int[300] data;
    foreach (ubyte i, x; data) {} // Line 3, no error.
    ubyte j = data.length; // Line 4, Error.
}


DMD 2.063alpha gives:

temp.d(4): Error: cannot implicitly convert expression (300u) of type uint to
ubyte


But line 3 should give a similar error message, because data has 300 items, so
the "i" index can't represent all the possible indexes.

See also issue 9570.

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