[llvm] [BOLT][DWARF][NFC] Add option to specify DW_AT_comp_dir (PR #79395)

[Alexander Yermolovich via llvm-commits]

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@@ -366,6 +366,12 @@ static cl::opt<bool> AlwaysConvertToRanges(
     cl::desc("This option is for testing purposes only. It forces BOLT to "
              "convert low_pc/high_pc to ranges always."),
     cl::ReallyHidden, cl::init(false), cl::cat(BoltCategory));
+
+cl::opt<std::string> CompDirOverride(
+    "comp-dir-override",
+    cl::desc("Overrides DW_AT_comp_dir which is used with DW_AT_dwo_name to "
+             "construct a path to *.dwo files."),
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ayermolo wrote:

But it's not full location. It's just the root path to which dwo_name is appended to.

https://github.com/llvm/llvm-project/pull/79395