[llvm] Add symbol version support to llvm-ifs (PR #163030)

[via llvm-commits]

================
@@ -264,22 +517,45 @@ template <class ELFT> class ELFStubBuilder {
 
   void write(uint8_t *Data) const {
     write(Data, ElfHeader);
+    for (size_t I = 0; I < ElfPhnum; I++)
+      write(Data + ElfHeader.e_phoff + I * sizeof(Elf_Phdr),
+            ElfProgramHeaders[I]);
----------------
ur4t wrote:

New tests and new flag added in following commits.

https://github.com/llvm/llvm-project/pull/163030