Look at incomplete FunctionTemplateDecls in order to determine whether
a CXXRecordDecl is complete. Fixes Bug 13086.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158469 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/Sema.cpp b/lib/Sema/Sema.cpp
index e0d405d..39338f9 100644
--- a/lib/Sema/Sema.cpp
+++ b/lib/Sema/Sema.cpp
@@ -444,6 +444,8 @@
I != E && Complete; ++I) {
if (const CXXMethodDecl *M = dyn_cast<CXXMethodDecl>(*I))
Complete = M->isDefined() || (M->isPure() && !isa<CXXDestructorDecl>(M));
+ else if (const FunctionTemplateDecl *F = dyn_cast<FunctionTemplateDecl>(*I))
+ Complete = F->getTemplatedDecl()->isDefined();
else if (const CXXRecordDecl *R = dyn_cast<CXXRecordDecl>(*I)) {
if (R->isInjectedClassName())
continue;
diff --git a/test/SemaCXX/warn-unused-member.cpp b/test/SemaCXX/warn-unused-member.cpp
index 00de8a9..9ec9df6 100644
--- a/test/SemaCXX/warn-unused-member.cpp
+++ b/test/SemaCXX/warn-unused-member.cpp
@@ -142,6 +142,13 @@
int by_initializer_;
};
+namespace templates {
+class B {
+ template <typename T> void f(T t);
+ int a;
+};
+} // namespace templates
+
namespace mutual_friends {
// Undefined methods make mutual friends undefined.
class A {