From 2fb5d1297e874d8f6d86a3586c7d25dcfb104f69 Mon Sep 17 00:00:00 2001
From: Argyrios Kyrtzidis <akyrtzi@gmail.com>
Date: Mon, 22 Apr 2013 23:23:42 +0000
Subject: [PATCH] When modifying an implicit instantiation with information
 from an explicit one, make sure to reset the "right brace" location.

Otherwise the source range of the explicit instantiation may become invalid (begin location will be after the end location).

rdar://13706991

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@180070 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Sema/SemaTemplate.cpp |  1 +
 test/Index/get-cursor.cpp | 13 +++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/lib/Sema/SemaTemplate.cpp b/lib/Sema/SemaTemplate.cpp
index ae091e3da3..b9695cc1e1 100644
--- a/lib/Sema/SemaTemplate.cpp
+++ b/lib/Sema/SemaTemplate.cpp
@@ -6460,6 +6460,7 @@ Sema::ActOnExplicitInstantiation(Scope *S,
   // Set source locations for keywords.
   Specialization->setExternLoc(ExternLoc);
   Specialization->setTemplateKeywordLoc(TemplateLoc);
+  Specialization->setRBraceLoc(SourceLocation());
 
   if (Attr)
     ProcessDeclAttributeList(S, Specialization, Attr);
diff --git a/test/Index/get-cursor.cpp b/test/Index/get-cursor.cpp
index 37bb70f307..996ecc25ef 100644
--- a/test/Index/get-cursor.cpp
+++ b/test/Index/get-cursor.cpp
@@ -55,6 +55,16 @@ struct TS {
 template <bool (*tfn)(X*)>
 void TS<tfn>::foo() {}
 
+template <typename T>
+class TC {
+  void init();
+};
+
+template<> void TC<char>::init();
+
+#define EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
+EXTERN_TEMPLATE(class TC<char>)
+
 // RUN: c-index-test -cursor-at=%s:6:4 %s | FileCheck -check-prefix=CHECK-COMPLETION-1 %s
 // CHECK-COMPLETION-1: CXXConstructor=X:6:3
 // CHECK-COMPLETION-1-NEXT: Completion string: {TypedText X}{LeftParen (}{Placeholder int}{Comma , }{Placeholder int}{RightParen )}
@@ -115,3 +125,6 @@ void TS<tfn>::foo() {}
 // RUN: c-index-test -cursor-at=%s:50:23 -cursor-at=%s:55:23 %s | FileCheck -check-prefix=CHECK-TEMPLPARAM %s
 // CHECK-TEMPLPARAM: 50:23 TypeRef=struct X:3:8 Extent=[50:23 - 50:24] Spelling=struct X ([50:23 - 50:24])
 // CHECK-TEMPLPARAM: 55:23 TypeRef=struct X:3:8 Extent=[55:23 - 55:24] Spelling=struct X ([55:23 - 55:24])
+
+// RUN: c-index-test -cursor-at=%s:66:23 %s | FileCheck -check-prefix=CHECK-TEMPLSPEC %s
+// CHECK-TEMPLSPEC: 66:23 ClassDecl=TC:66:23 (Definition) [Specialization of TC:59:7] Extent=[66:1 - 66:31] Spelling=TC ([66:23 - 66:25])
-- 
2.40.0