[lldb] Let ClangASTImporter assert that the target AST has an external source
authorRaphael Isemann <teemperor@gmail.com>
Thu, 25 Feb 2021 10:28:43 +0000 (11:28 +0100)
committerRaphael Isemann <teemperor@gmail.com>
Thu, 25 Feb 2021 10:42:14 +0000 (11:42 +0100)
commit7cfa6e1cc64bc41e644cfc4a43bc122790896569
treeadb7f16bf0c4696e7ca387fd9c7c0524ce183ce6
parenta54f160b3a98b91cd241a555d904a6b6453affc4
[lldb] Let ClangASTImporter assert that the target AST has an external source

This prevents people from accidentially using this code outside the
intended setup.
lldb/source/Plugins/ExpressionParser/Clang/ClangASTImporter.h