[Issue 18777] New: std.traits.RetrunType ambiguity

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18777

          Issue ID: 18777
           Summary: std.traits.RetrunType ambiguity
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Mac OS X
            Status: NEW
          Severity: minor
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: mattbowiewilson at gmail.com

import std.stdio;
import std.traits : ReturnType;

int foo()
{
    return 1;
}

short foo()
{
    return 1;
}

void main()
{
    // This prints 2147483647 but why not 32767?
    writeln(ReturnType!(foo).max);
}

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I expected to get a compiler error here. Is this a DMD bug?

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