commit 0dc152c57924daa5b3c0865f2b7d36b0441dbe78
author Alex Lorenz <arphaman@gmail.com> Tue Jan 03 12:14:59 2017 +0000
committer Alex Lorenz <arphaman@gmail.com> Wed Jan 04 14:18:12 2017 +0000
tree 5ab489e3fe4dce8b335b77c18478b34632a52061
parent bc8524f81a61835dde55aa66dce2004f68535bc0

Handle VarTemplateDecl in DeclContextPrinter

This commit fixes a crash that occurs when -print-decl-contexts AST consumer
tries to print an unhandled declaration.

rdar://19467234

Differential Revision: https://reviews.llvm.org/D26964

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@290886 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit d26625b4e9cc5f08c673a98cd0e0e7296379282b)

lib/Frontend/ASTConsumers.cpp

diff --git a/lib/Frontend/ASTConsumers.cpp b/lib/Frontend/ASTConsumers.cpp
index c45b539..7ae377a 100644
--- a/lib/Frontend/ASTConsumers.cpp
+++ b/lib/Frontend/ASTConsumers.cpp
@@ -522,6 +522,10 @@
       Out << "<access specifier>\n";
       break;
     }
+    case Decl::VarTemplate: {
+      Out << "<var template> " << *cast<VarTemplateDecl>(I) << "\n";
+      break;
+    }
     default:
       Out << "DeclKind: " << DK << '"' << I << "\"\n";
       llvm_unreachable("decl unhandled");

test/Coverage/ast-printing.cpp

diff --git a/test/Coverage/ast-printing.cpp b/test/Coverage/ast-printing.cpp
index 3205078..40d04a8 100644
--- a/test/Coverage/ast-printing.cpp
+++ b/test/Coverage/ast-printing.cpp
@@ -1,7 +1,7 @@
-// RUN: %clang_cc1 -fsyntax-only %s
-// RUN: %clang_cc1 -ast-print %s
-// RUN: %clang_cc1 -ast-dump %s
-// RUN: %clang_cc1 -print-decl-contexts %s
-// RUN: %clang_cc1 -fdump-record-layouts %s
+// RUN: %clang_cc1 -std=c++14 -fsyntax-only %s
+// RUN: %clang_cc1 -std=c++14 -ast-print %s
+// RUN: %clang_cc1 -std=c++14 -ast-dump %s
+// RUN: %clang_cc1 -std=c++14 -print-decl-contexts %s
+// RUN: %clang_cc1 -std=c++14 -fdump-record-layouts %s
 
 #include "cxx-language-features.inc"

test/Coverage/cxx-language-features.inc

diff --git a/test/Coverage/cxx-language-features.inc b/test/Coverage/cxx-language-features.inc
index be99eec..17a4476 100644
--- a/test/Coverage/cxx-language-features.inc
+++ b/test/Coverage/cxx-language-features.inc
@@ -60,3 +60,6 @@
 struct AccessSpec {
 private:
 };
+
+// Variable template
+template <typename T> T varTemplate = 0;