From: Argyrios Kyrtzidis <akyrtzi@gmail.com>
Date: Fri, 11 Sep 2015 01:44:56 +0000 (+0000)
Subject: [sema] Fix assertion hit when using libclang to index a particular C++ snippet involv... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4c5c1f9ac023d9f374124a313d616960832dac9a;p=clang

[sema] Fix assertion hit when using libclang to index a particular C++ snippet involving templates.

Assertion hit was in ClassTemplateSpecializationDecl::getSourceRange().

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@247373 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Sema/SemaTemplate.cpp b/lib/Sema/SemaTemplate.cpp
index 527005094c..b5b8b1ea8a 100644
--- a/lib/Sema/SemaTemplate.cpp
+++ b/lib/Sema/SemaTemplate.cpp
@@ -7386,11 +7386,16 @@ Sema::ActOnExplicitInstantiation(Scope *S,
       }
     }
 
+    // Set the template specialization kind. Make sure it is set before
+    // instantiating the members which will trigger ASTConsumer callbacks.
+    Specialization->setTemplateSpecializationKind(TSK);
     InstantiateClassTemplateSpecializationMembers(TemplateNameLoc, Def, TSK);
+  } else {
+
+    // Set the template specialization kind.
+    Specialization->setTemplateSpecializationKind(TSK);
   }
 
-  // Set the template specialization kind.
-  Specialization->setTemplateSpecializationKind(TSK);
   return Specialization;
 }
 
diff --git a/test/Index/index-file.cpp b/test/Index/index-file.cpp
index 37b14a2715..d42b4b2de7 100644
--- a/test/Index/index-file.cpp
+++ b/test/Index/index-file.cpp
@@ -15,9 +15,19 @@ void tfoo() {}
 void tfoo<int>() {}
 }
 
+namespace crash1 {
+template<typename T> class A {
+  A(A &) = delete;
+  void meth();
+};
+template <> void A<int>::meth();
+template class A<int>;
+}
+
 // RUN: c-index-test -index-file %s > %t
 // RUN: FileCheck %s -input-file=%t
 
 // CHECK: [indexDeclaration]: kind: type-alias | name: MyTypeAlias | {{.*}} | loc: 1:7
 // CHECK: [indexDeclaration]: kind: struct-template-spec | name: TS | {{.*}} | loc: 11:8
 // CHECK: [indexDeclaration]: kind: function-template-spec | name: tfoo | {{.*}} | loc: 15:6
+// CHECK: [indexDeclaration]: kind: c++-instance-method | name: meth | {{.*}} | loc: 23:26