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[Serialization] Intro -Rmodule-recovery to remark about silent errors

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Deserialization recovery silently drops errors and the affected decls.
This can lead to surprises when a function from an imported module
simply disappears without an explanation.

This commit introduces the flag -Rmodule-recovery to report as remarks
some of these previously silently dropped issues. It can be used to
debug project configuration issues.
This commit is contained in:
Alexis Laferrière
2023-05-08 16:50:40 -07:00
parent 65b5f82b52
commit 4f66fcfadb
5 changed files with 65 additions and 1 deletions
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5
include/swift/Option/Options.td
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@@ -388,7 +388,10 @@ def emit_cross_import_remarks : Flag<["-"], "Rcross-import">,
def remark_loading_module : Flag<["-"], "Rmodule-loading">,
Flags<[FrontendOption, DoesNotAffectIncrementalBuild]>,
HelpText<"Emit a remark and file path of each loaded module">;
HelpText<"Emit remarks about loaded module">;
def remark_module_recovery : Flag<["-"], "Rmodule-recovery">,
Flags<[FrontendOption, DoesNotAffectIncrementalBuild]>,
HelpText<"Emit remarks about contextual inconsistencies in loaded modules">;
def remark_indexing_system_module : Flag<["-"], "Rindexing-system-module">,
Flags<[FrontendOption, DoesNotAffectIncrementalBuild]>,