Call ResolveExceptionSpec for non-OdrUsed functions.

In C++11, instantiation of exception specs is deferred. The instantiation is
done in MarkFunctionReferenced(), which wasn't called for non-OdrUsed functions,
which then caused an assert in codegen. Fixes PR19190, see the bug for details.

llvm-svn: 216562

1 files changed, 5 insertions, 0 deletions

diff --git a/clang/test/CodeGenCXX/cxx11-exception-spec.cpp b/clang/test/CodeGenCXX/cxx11-exception-spec.cpp
index 3b1516b9253..75f939f93f0 100644
--- a/clang/test/CodeGenCXX/cxx11-exception-spec.cpp
+++ b/clang/test/CodeGenCXX/cxx11-exception-spec.cpp
@@ -122,3 +122,8 @@ void j() {
 
 // CHECK: attributes [[NONE]] = { {{.*}} }
 // CHECK: attributes [[NUW]] = { nounwind{{.*}} }
+
+namespace PR19190 {
+template <class T> struct DWFIterator { virtual void get() throw(int) = 0; };
+void foo(DWFIterator<int> *foo) { foo->get(); }
+}