balancedParens is not nothrow bug, is this known?

[Gary Willoughby]

import std.path;

void main(string[] args)
{
        globMatch("foo.bar", "*");
}
compile with: dmd -profile test.d

Error:

/usr/share/dmd/src/phobos/std/path.d(2187): Error: balancedParens 
is not nothrow
/usr/share/dmd/src/phobos/std/path.d(2188): Error: balancedParens 
is not nothrow

a). Is this bug known?
b). Is this fixed in the latest release, i'm using 2.063.2.