[clang] [Driver] Honor /Fo when deriving the split-dwarf .dwo path (PR #199613)

[Haohai Wen via cfe-commits]

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@@ -1882,7 +1882,8 @@ const char *tools::SplitDebugName(const JobAction &JA, const ArgList &Args,
   if (const Arg *A = Args.getLastArg(options::OPT_dumpdir)) {
     T = A->getValue();
   } else {
-    Arg *FinalOutput = Args.getLastArg(options::OPT_o, options::OPT__SLASH_o);
+    Arg *FinalOutput = Args.getLastArg(options::OPT_o, options::OPT__SLASH_o,
+                                       options::OPT__SLASH_Fo);
     if (FinalOutput && Args.hasArg(options::OPT_c)) {
       T = FinalOutput->getValue();
       llvm::sys::path::remove_filename(T);
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HaohaiWen wrote:

Addressed.

https://github.com/llvm/llvm-project/pull/199613