__traits(compiles, ...) returns true for syntactic garbage and for semantically incorrect code

[Pavel]

Either I do not understand the work of this feature or it is an 
obvious bug:

import std.stdio;
import std.conv;

void main()
{
    enum string expr = "DMD compiles this garbage ... iiiii - \" 
#### $$$";
	
    enum bool bTest = __traits(compiles, expr);
    enum bool bTest2 = __traits(compiles, "int i = q{};");
		
    writeln("bTest: " ~ to!string(bTest));
    writeln("bTest2: " ~ to!string(bTest2));
}

Produces (tested with dmd32 2.060 and dmd32 2.059):
   bTest: true
   bTest2: true

(http://dpaste.dzfl.pl/5d338ab3)

Could you please somebody explain this?

Thanks,
Pavel