[ODRHash] Don't hash friend functions.
In certain combinations of templated classes and friend functions, the body
of friend functions does not get propagated along with function signature.
Exclude friend functions for hashing to avoid this case.
llvm-svn: 322350
diff --git a/clang/test/Modules/odr_hash-Friend.cpp b/clang/test/Modules/odr_hash-Friend.cpp
new file mode 100644
index 0000000..408e7f3
--- /dev/null
+++ b/clang/test/Modules/odr_hash-Friend.cpp
@@ -0,0 +1,19 @@
+// RUN: rm -rf %t
+
+// RUN: %clang_cc1 -fmodules -fmodules-cache-path=%t/modules.cache \
+// RUN: -I %S/Inputs/odr_hash-Friend \
+// RUN: -emit-obj -o /dev/null \
+// RUN: -fmodules \
+// RUN: -fimplicit-module-maps \
+// RUN: -fmodules-cache-path=%t/modules.cache \
+// RUN: -std=c++11 -x c++ %s -verify
+
+// expected-no-diagnostics
+
+#include "Box.h"
+#include "M1.h"
+#include "M3.h"
+
+void Run() {
+ Box<> Present;
+}