PR9992: Serialize and deserialize the token sequence for a function template in
-fdelayed-template-parsing mode. Patch by Will Wilson!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@187916 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaTemplateInstantiateDecl.cpp b/lib/Sema/SemaTemplateInstantiateDecl.cpp
index 0ca6611..5ba6be3 100644
--- a/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -3112,7 +3112,13 @@
// a templated function definition.
if (!Pattern && PatternDecl->isLateTemplateParsed() &&
LateTemplateParser) {
- LateTemplateParser(OpaqueParser, PatternDecl);
+ // FIXME: Optimize to allow individual templates to be deserialized.
+ if (PatternDecl->isFromASTFile())
+ ExternalSource->ReadLateParsedTemplates(LateParsedTemplateMap);
+
+ LateParsedTemplate *LPT = LateParsedTemplateMap.lookup(PatternDecl);
+ assert(LPT && "missing LateParsedTemplate");
+ LateTemplateParser(OpaqueParser, *LPT);
Pattern = PatternDecl->getBody(PatternDecl);
}