[SR-9126] create internal version of swiftrt #51623
Description
| Previous ID | SR-9126 |
| Radar | None |
| Original Reporter | @compnerd |
| Type | Improvement |
Additional Detail from JIRA
| Votes | 0 |
| Component/s | Standard Library |
| Labels | Improvement, StarterBug, Windows, build |
| Assignee | None |
| Priority | Medium |
md5: b60d08ef1da63dbb9bc6b31937140d2a
Issue Description:
When building swiftrt we mark `swift_addNewDSOImage` as DLLImport, however, when building swiftCore, it is special and is not DLLImport. We should build a special version for swiftCore.