1 // RUN: %clang_cc1 %s -emit-llvm-only -o -
2 
3 // https://bugs.llvm.org/show_bug.cgi?id=38356
4 // We only check that we do not crash.
5 
6 template <typename a, a b(unsigned), int c, unsigned...>
7 struct d : d<a, b, c - 1> {};
8 template <typename a, a b(unsigned), unsigned... e>
9 struct d<a, b, 0, e...> {
10   a f[0];
11 };
12 struct g {
13   static g h(unsigned);
14 };
15 struct i {
16   void j() const;
17   // Current maximum depth of recursive template instantiation is 1024,
18   // thus, this \/ threshold value is used here. BasePathSize in CastExpr might
19   // not fit it, so we are testing that we do fit it.
20   // If -ftemplate-depth= is provided, larger values (4096 and up) cause crashes
21   // elsewhere.
22   d<g, g::h, (1U << 10U) - 2U> f;
23 };
24 void i::j() const {
25   const void *k{f.f};
26   (void)k;
27 }
28