labath accepted this revision.
labath added a comment.
This revision is now accepted and ready to land.

I think this is fine.

In D69704#1741588 <https://reviews.llvm.org/D69704#1741588>, @jingham wrote:

> If, for instance, we decided to use .pcm files as a serialization form for 
> type info you would need the same sort of check for modules backed by these 
> pcm's - since the clang in lldb and the clang building the pcm would have to 
> match.  BTW I am NOT suggesting that would be a good idea, and this will 
> probably always be a no-op for anything but Swift.


Hm... If I understand modules correctly (and I admit I know very little about 
them), I think this actually illustrates the my reservations about this. 
Assuming we were fetching type info from a pcm file etc., there is no 
relationship between a module (shared library) and a pcm file... I would 
imagine a module can reference multiple pcm files, and each one could be 
theoretically built with a different compiler. That then brings up a question 
of what does it mean for lldb to be "compatible" with the module as a whole...



================
Comment at: lldb/source/API/SBModule.cpp:700-704
+  if (!type_system_or_err) {
+    sb_error.SetErrorStringWithFormat(
+        "no type system for language %s",
+        Language::GetNameForLanguageType(language));
+    llvm::consumeError(type_system_or_err.takeError());
----------------
labath wrote:
> Do you want to store the actual error message in `type_system_or_err` into 
> sb_error?
Actually, you can do that by just saying `sb_error.ref() = 
type_system_or_err.takeError()` or something along those lines. :)


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D69704/new/

https://reviews.llvm.org/D69704



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