[clang] [clang][Driver] Ensure intermediate bitcode files are written according to `/Fo` (PR #189977)

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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,c -- clang/lib/Driver/Driver.cpp clang/test/Driver/cl-outputs.c --diff_from_common_commit
``````````

:warning:
The reproduction instructions above might return results for more than one PR
in a stack if you are using a stacked PR workflow. You can limit the results by
changing `origin/main` to the base branch/commit you want to compare against.
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<details>
<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index e3e4485c7..4666d5db6 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -6625,7 +6625,8 @@ const char *Driver::GetNamedOutputPath(Compilation &C, const JobAction &JA,
     }
   } else if (JA.getType() == types::TY_PCH && IsCLMode()) {
     NamedOutput = C.getArgs().MakeArgString(GetClPchPath(C, BaseName));
-  } else if ((JA.getType() == types::TY_Plist || JA.getType() == types::TY_AST) &&
+  } else if ((JA.getType() == types::TY_Plist ||
+              JA.getType() == types::TY_AST) &&
              C.getArgs().hasArg(options::OPT__SLASH_o)) {
     StringRef Val =
         C.getArgs()

``````````

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https://github.com/llvm/llvm-project/pull/189977