[flang] [clang] [Flang] Add code-object-version option (PR #72638)

[Kiran Chandramohan via cfe-commits]

================
@@ -85,6 +85,19 @@ class CodeGenOptions : public CodeGenOptionsBase {
     RK_WithPattern, // Remark pattern specified via '-Rgroup=regexp'.
   };
 
+  /// \brief Enumeration value for AMDGPU code object version, which is the
+  /// code object version times 100.
+  enum class CodeObjectVersionKind {
+    COV_None,
+    COV_2 = 200, // Unsupported.
+    COV_3 = 300, // Unsupported.
+    COV_4 = 400,
+    COV_5 = 500,
+  };
----------------
kiranchandramohan wrote:

If possible move this to `llvm/include/llvm/Frontend/Driver/TargetOptions.h`.

https://github.com/llvm/llvm-project/pull/72638