[clang] [flang] Allow disabling of types from the command line (PR #107126)

[Peter Klausler via cfe-commits]

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@@ -6761,6 +6761,12 @@ def fdefault_integer_8 : Flag<["-"],"fdefault-integer-8">, Group<f_Group>,
   HelpText<"Set the default integer and logical kind to an 8 byte wide type">;
 def fdefault_real_8 : Flag<["-"],"fdefault-real-8">, Group<f_Group>,
   HelpText<"Set the default real kind to an 8 byte wide type">;
+def fdisable_real_3 : Flag<["-"],"fdisable-real-3">, Group<f_Group>,
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klausler wrote:

maybe also `-fdisable-real-2`?

https://github.com/llvm/llvm-project/pull/107126