llvm-project

5ec73b7d - Reland "[gn build] Port d3fb41dddc11 (llvm-cgdata)"

Reland "[gn build] Port d3fb41dddc11 (llvm-cgdata)" This reverts commit 6476a1d6865fc3a4c0fa3e436174a9a99a6ffedb. d3fb41dddc11 relanded in 9bb555688caf6a. ...amended to incorporate changes from the reland.