Make the deserialization of Sema::PendingInstantiations lazy. At this
point, ASTReader::InitializeSema() has very little interesting work,
*except* issues stemming from preloaded declarations. That's something
we'll still need to cope with.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136378 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaTemplateInstantiateDecl.cpp b/lib/Sema/SemaTemplateInstantiateDecl.cpp
index 41818d3..872bb87 100644
--- a/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -3229,6 +3229,14 @@
/// \brief Performs template instantiation for all implicit template
/// instantiations we have seen until this point.
void Sema::PerformPendingInstantiations(bool LocalOnly) {
+ // Load pending instantiations from the external source.
+ if (!LocalOnly && ExternalSource) {
+ SmallVector<std::pair<ValueDecl *, SourceLocation>, 4> Pending;
+ ExternalSource->ReadPendingInstantiations(Pending);
+ PendingInstantiations.insert(PendingInstantiations.begin(),
+ Pending.begin(), Pending.end());
+ }
+
while (!PendingLocalImplicitInstantiations.empty() ||
(!LocalOnly && !PendingInstantiations.empty())) {
PendingImplicitInstantiation Inst;