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Package CMO: Skip deserialization error checks for same-module decls.

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IterableDeclContext::checkDeserializeMemberErrorInPackage recursively checks if
decls and their member decls are deserialized correctly into another module.
This PR adds a check to make sure the inspected decls are from another module,
and provides an opt-in flag to fail fast on deserialization failure if found.

rdar://143830240
This commit is contained in:
elsh
2025-02-05 07:16:42 -08:00
parent 246e130584
commit ee751835fc
7 changed files with 50 additions and 36 deletions
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2
lib/Frontend/CompilerInvocation.cpp
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@@ -1349,7 +1349,7 @@ static bool ParseLangArgs(LangOptions &Opts, ArgList &Args,
}
}
Opts.SkipDeserializationChecksForPackageCMO = Args.hasArg(OPT_ExperimentalSkipDeserializationChecksForPackageCMO);
Opts.AbortOnDeserializationFailForPackageCMO = Args.hasArg(OPT_ExperimentalPackageCMOAbortOnDeserializationFail);
Opts.AllowNonResilientAccess =
Args.hasArg(OPT_experimental_allow_non_resilient_access) ||
Args.hasArg(OPT_allow_non_resilient_access) ||