On 20 May 2016, at 17:28, Михаил Страшун via dmd-internals
wrote:
Is this by design? Would that be something you could consider
changing?
Keeping debug symbols in libraries has very low performance impact
compared to keeping contracts, there doesn't seem to be any practical
reason to connect linking special kind of library to it.
For LDC (where we have actually been shipping a debug build for a long
time), I found that there is really no good option of tying the
defaultlib/debuglib selection to. As you also discovered, some of the
druntime contracts turn constant-time operations into linear-time ones
and things like that.
What I ended up doing is to introduce a `-link-debuglib` switch so that
people can choose explicitly (but the libraries can still be set up in
the config file and so on). This might not be compatible with DMD's
command line design philosophy, of course, but you might find some more
background information searching our GitHub project for "debuglib".
— David
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