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[NameLookup] Ensure extensions are updated after module load #32375

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Jun 15, 2020
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[NameLookup] Ensure extensions are updated after module load #32375

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6 changes: 6 additions & 0 deletions lib/AST/NameLookup.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1331,6 +1331,12 @@ DirectLookupRequest::evaluate(Evaluator &evaluator,

decl->prepareLookupTable();

// If we're allowed to load extensions, call prepareExtensions to ensure we
// properly invalidate the lazily-complete cache for any extensions brought in
// by modules loaded after-the-fact. This can happen with the LLDB REPL.
if (!disableAdditionalExtensionLoading)
decl->prepareExtensions();

auto &Table = *decl->LookupTable;
if (!useNamedLazyMemberLoading) {
// Make sure we have the complete list of members (in this nominal and in
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