llvm-project

036b755d - [ELF] Parallelize demoteAndCopyLocalSymbols. NFC (#187970)

[ELF] Parallelize demoteAndCopyLocalSymbols. NFC (#187970) Use parallelFor to process files in parallel, collecting Symbol* pointers per-file, then merge into the symbol table serially. Linking clang-14 (208K .symtab entries) is 1.04x as fast.