[llvm] [llvm-objdump] Add --substitute-path and --source-dir for --source (PR #201096)

[James Henderson via llvm-commits]

================
@@ -66,6 +68,8 @@ extern std::vector<std::string> MAttrs;
 extern std::string MCPU;
 extern std::string Prefix;
 extern uint32_t PrefixStrip;
+extern std::vector<std::pair<std::string, std::string>> SubstitutePaths;
+extern std::vector<std::string> SourceDirs;
----------------
jh7370 wrote:

Alphabetical order, please.

https://github.com/llvm/llvm-project/pull/201096