[modules] Add testcase for a bug reduced from a selfhost issue. This bug was
never present in Clang trunk, but was present in some of my development work,
and it seems like a useful test to have.
llvm-svn: 214154
diff --git a/clang/test/Modules/Inputs/cxx-templates-a.h b/clang/test/Modules/Inputs/cxx-templates-a.h
index cfb8902..0289c8a 100644
--- a/clang/test/Modules/Inputs/cxx-templates-a.h
+++ b/clang/test/Modules/Inputs/cxx-templates-a.h
@@ -75,3 +75,10 @@
template<typename T> constexpr int MergeTemplateDefinitions<T>::f() { return 1; }
template<typename T> using AliasTemplate = T;
+
+template<typename T> struct PartiallyInstantiatePartialSpec {};
+template<typename T> struct PartiallyInstantiatePartialSpec<T*> {
+ static T *foo() { return reinterpret_cast<T*>(0); }
+ static T *bar() { return reinterpret_cast<T*>(0); }
+};
+typedef PartiallyInstantiatePartialSpec<int*> PartiallyInstantiatePartialSpecHelper;
diff --git a/clang/test/Modules/Inputs/cxx-templates-b.h b/clang/test/Modules/Inputs/cxx-templates-b.h
index 802b926..5dbf1a1 100644
--- a/clang/test/Modules/Inputs/cxx-templates-b.h
+++ b/clang/test/Modules/Inputs/cxx-templates-b.h
@@ -73,4 +73,5 @@
void TriggerInstantiation() {
UseDefinedInBImpl<void>();
Std::f<int>();
+ PartiallyInstantiatePartialSpec<int*>::foo();
}
diff --git a/clang/test/Modules/cxx-templates.cpp b/clang/test/Modules/cxx-templates.cpp
index cbe9f35..b5036ff 100644
--- a/clang/test/Modules/cxx-templates.cpp
+++ b/clang/test/Modules/cxx-templates.cpp
@@ -105,6 +105,7 @@
int &p = WithPartialSpecializationUse().f();
int &q = WithExplicitSpecializationUse().inner_template<int>();
+ int *r = PartiallyInstantiatePartialSpec<int*>::bar();
}
static_assert(Outer<int>::Inner<int>::f() == 1, "");