================
@@ -9133,6 +9133,11 @@ def fno_modules_check_relocated
Group<f_Group>,
HelpText<"Skip checks for relocated modules when loading PCM files">,
MarshallingInfoNegativeFlag<PreprocessorOpts<"ModulesCheckRelocated">>;
+def fmodules_force_redundant_lookup
+ : Flag<["-"], "fmodules-force-redundant-lookup">,
+ Group<f_Group>,
+ HelpText<"Force redundant module lookup when loading PCM files">,
----------------
cyndyishida wrote:
I used the same language as `fno_modules_check_relocated` for the help text.
The high-level point is that when the compiler needs to load a PCM because it's
used in a TU compilation, it also looks for that module via header search. The
side effect (optimization?) part is on the search for that module, it can
discover the presence of other modules.
I used this flag name to discourage its use, so I don't particularly mind that
it raises these kinds of questions.
https://github.com/llvm/llvm-project/pull/219107
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