[clang] [WIP][Modules] Delay deserialization of preferred_name attribute at r… (PR #122726)

[Ilya Biryukov via cfe-commits]

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@@ -4424,6 +4454,51 @@ void ASTReader::loadPendingDeclChain(Decl *FirstLocal, uint64_t LocalOffset) {
   ASTDeclReader::attachLatestDecl(CanonDecl, MostRecent);
 }
 
+void ASTReader::loadPreferredNameAttribute(
+    const PendingPreferredNameAttribute &PreferredNameAttribute) {
+  Decl *D = PreferredNameAttribute.D;
+  ModuleFile *M = getOwningModuleFile(D);
+
+  unsigned LocalDeclIndex = D->getGlobalID().getLocalDeclIndex();
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ilya-biryukov wrote:

I thought we might need to store the indices separately, but having the declaration around we actually have enough to look up the bitstream position.

Nice trick, kudos for coming up with this!


https://github.com/llvm/llvm-project/pull/122726