[Sema][MSVC] Fix bogus microsoft-pure-definition warning on member function of class template

Clang emits a warning when using a pure specifier =0 in a function definition
at class scope (a MS-specific construct), when using -fms-extensions.
However, to detect this, it was using FD->isCanonicalDecl() on function
declaration, which was also detecting out-of-class definition of member
functions of class templates. Fix this by using !FD->isOutOfLine() instead.

Fixes PR21334.

Differential Revision: https://reviews.llvm.org/D29707

Reviewed By: riccibruno

Reviewers: rnk, riccibruno

Patch By: Rudy Pons

llvm-svn: 358849

1 files changed, 12 insertions, 0 deletions

diff --git a/clang/test/Parser/MicrosoftExtensions.cpp b/clang/test/Parser/MicrosoftExtensions.cpp
index 8799f49df6c..63e8b608239 100644
--- a/clang/test/Parser/MicrosoftExtensions.cpp
+++ b/clang/test/Parser/MicrosoftExtensions.cpp
@@ -288,6 +288,18 @@ struct pure_virtual_dtor_inline {
   virtual ~pure_virtual_dtor_inline() = 0 { }// expected-warning {{function definition with pure-specifier is a Microsoft extension}}
 };
 
+template<typename T> struct pure_virtual_dtor_template {
+  virtual ~pure_virtual_dtor_template() = 0;
+};
+template<typename T> pure_virtual_dtor_template<T>::~pure_virtual_dtor_template() {}
+template struct pure_virtual_dtor_template<int>;
+
+template<typename T> struct pure_virtual_dtor_template_inline {
+    virtual ~pure_virtual_dtor_template_inline() = 0 {}
+    // expected-warning@-1 2{{function definition with pure-specifier is a Microsoft extension}}
+};
+template struct pure_virtual_dtor_template_inline<int>;
+// expected-note@-1 {{in instantiation of member function}}
 
 int main () {
   // Necessary to force instantiation in -fdelayed-template-parsing mode.