From: Vassil Vassilev <v.g.vassilev@gmail.com>
Date: Tue, 5 Jan 2021 08:11:33 +0000 (+0000)
Subject: Inform the consumer on invalid template instantiations.
X-Git-Tag: llvmorg-13-init~2113
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=02eb8e20b51b3ea263bbfe696241b8541c72ee7a;p=platform%2Fupstream%2Fllvm.git

Inform the consumer on invalid template instantiations.

Some clients which want to track state need the information whether a template
was instantiated and made invalid.

Differential revision: https://reviews.llvm.org/D92248
---

diff --git a/clang/lib/Sema/SemaTemplateInstantiate.cpp b/clang/lib/Sema/SemaTemplateInstantiate.cpp
index 39ea9e0..7e0cc2d 100644
--- a/clang/lib/Sema/SemaTemplateInstantiate.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiate.cpp
@@ -2846,8 +2846,6 @@ Sema::InstantiateClass(SourceLocation PointOfInstantiation,
   SavedContext.pop();
 
   if (!Instantiation->isInvalidDecl()) {
-    Consumer.HandleTagDeclDefinition(Instantiation);
-
     // Always emit the vtable for an explicit instantiation definition
     // of a polymorphic class template specialization. Otherwise, eagerly
     // instantiate only constexpr virtual functions in preparation for their use
@@ -2859,6 +2857,8 @@ Sema::InstantiateClass(SourceLocation PointOfInstantiation,
                                    /*ConstexprOnly*/ true);
   }
 
+  Consumer.HandleTagDeclDefinition(Instantiation);
+
   return Instantiation->isInvalidDecl();
 }