PR 12586: Fix assert while running libc++ testsuite: deal with exception

specifications on member function templates of class templates and other such
nested beasties. Store the function template from which we are to instantiate
an exception specification rather than trying to deduce it. Plus some
additional test cases.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155076 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 55 insertions, 1 deletions

diff --git a/test/CodeGenCXX/cxx11-exception-spec.cpp b/test/CodeGenCXX/cxx11-exception-spec.cpp
index 4e08dce2ae..194b80cdd4 100644
--- a/test/CodeGenCXX/cxx11-exception-spec.cpp
+++ b/test/CodeGenCXX/cxx11-exception-spec.cpp
@@ -3,9 +3,11 @@
 void h();
 
 template<typename T> void f() noexcept(sizeof(T) == 4) { h(); }
+template<typename T> void g() noexcept(sizeof(T) == 4);
 
 template<typename T> struct S {
   static void f() noexcept(sizeof(T) == 4) { h(); }
+  static void g() noexcept(sizeof(T) == 4);
 };
 
 // CHECK: define {{.*}} @_Z1fIsEvv() {
@@ -30,7 +32,7 @@ template void S<char16_t>::f();
 // CHECK: define {{.*}} @_ZN1SIA2_DsE1fEv() nounwind
 template void S<char16_t[2]>::f();
 
-void g() {
+void h() {
   // CHECK: define {{.*}} @_Z1fIiEvv() nounwind {
   f<int>();
   // CHECK: define {{.*}} @_Z1fIA2_iEvv() {
@@ -64,3 +66,55 @@ void g() {
   // CHECK-NOT: nounwind
   (void)&S<char>::f;
 }
+
+// CHECK: define {{.*}} @_Z1iv
+void i() {
+  // CHECK: declare {{.*}} @_Z1gIiEvv() nounwind
+  g<int>();
+  // CHECK: declare {{.*}} @_Z1gIA2_iEvv()
+  // CHECK-NOT: nounwind
+  g<int[2]>();
+
+  // CHECK: declare {{.*}} @_ZN1SIiE1gEv() nounwind
+  S<int>::g();
+  // CHECK: declare {{.*}} @_ZN1SIA2_iE1gEv()
+  // CHECK-NOT: nounwind
+  S<int[2]>::g();
+
+  // CHECK: declare {{.*}} @_Z1gIfEvv() nounwind
+  void (*g1)() = &g<float>;
+  // CHECK: declare {{.*}} @_Z1gIdEvv()
+  // CHECK-NOT: nounwind
+  void (*g2)() = &g<double>;
+
+  // CHECK: declare {{.*}} @_ZN1SIfE1gEv() nounwind
+  void (*g3)() = &S<float>::g;
+  // CHECK: declare {{.*}} @_ZN1SIdE1gEv()
+  // CHECK-NOT: nounwind
+  void (*g4)() = &S<double>::g;
+
+  // CHECK: declare {{.*}} @_Z1gIA4_cEvv() nounwind
+  (void)&g<char[4]>;
+  // CHECK: declare {{.*}} @_Z1gIcEvv()
+  // CHECK-NOT: nounwind
+  (void)&g<char>;
+
+  // CHECK: declare {{.*}} @_ZN1SIA4_cE1gEv() nounwind
+  (void)&S<char[4]>::g;
+  // CHECK: declare {{.*}} @_ZN1SIcE1gEv()
+  // CHECK-NOT: nounwind
+  (void)&S<char>::g;
+}
+
+template<typename T> struct Nested {
+  template<bool b, typename U> void f() noexcept(sizeof(T) == sizeof(U));
+};
+
+// CHECK: define {{.*}} @_Z1jv
+void j() {
+  // CHECK: declare {{.*}} @_ZN6NestedIiE1fILb1EcEEvv(
+  // CHECK-NOT: nounwind
+  Nested<int>().f<true, char>();
+  // CHECK: declare {{.*}} @_ZN6NestedIlE1fILb0ElEEvv({{.*}}) nounwind
+  Nested<long>().f<false, long>();
+}