================
@@ -192,6 +201,32 @@ void IncrementalParser::CleanUpPTU(TranslationUnitDecl
*MostRecentTU) {
!D->getLangOpts().CPlusPlus)
S.IdResolver.RemoveDecl(ND);
}
+
+ // In C, implicit function declarations are not lexically attached to the
+ // current PTU, so they cannot be found in
+ // MostRecentTU->getPrimaryContext()->getLookupPtr(). We must traverse the
+ // entire IdentifierTable to locate them.
+ // FIXME: Is there a more lightweight solution?
----------------
vgvassilev wrote:
Can we update the current PTU if an implicit declaration is added?
https://github.com/llvm/llvm-project/pull/178648
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