
The front-end expects _BitInt to be available for substitution; ensure DB<n> is added to Subs in ItaniumDemangle.h. Also add a test case to libc++abi and sync the files to llvm/include/llvm.
The front-end expects _BitInt to be available for substitution; ensure DB<n> is added to Subs in ItaniumDemangle.h. Also add a test case to libc++abi and sync the files to llvm/include/llvm.