From c7e70c433efc6953dc3888b9fbf9f3512d7da2b0 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Thu, 2 Aug 2018 17:33:11 +0000
Subject: Vendor import of clang trunk r338536:
 https://llvm.org/svn/llvm-project/cfe/trunk@338536

---
 .../CodeGenCXX/castexpr-basepathsize-threshold.cpp | 27 ++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 test/CodeGenCXX/castexpr-basepathsize-threshold.cpp

(limited to 'test/CodeGenCXX/castexpr-basepathsize-threshold.cpp')

diff --git a/test/CodeGenCXX/castexpr-basepathsize-threshold.cpp b/test/CodeGenCXX/castexpr-basepathsize-threshold.cpp
new file mode 100644
index 000000000000..d5c1f603ff3f
--- /dev/null
+++ b/test/CodeGenCXX/castexpr-basepathsize-threshold.cpp
@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 %s -emit-llvm -o -
+
+// https://bugs.llvm.org/show_bug.cgi?id=38356
+// We only check that we do not crash.
+
+template <typename a, a b(unsigned), int c, unsigned...>
+struct d : d<a, b, c - 1> {};
+template <typename a, a b(unsigned), unsigned... e>
+struct d<a, b, 0, e...> {
+  a f[0];
+};
+struct g {
+  static g h(unsigned);
+};
+struct i {
+  void j() const;
+  // Current maximum depth of recursive template instantiation is 1024,
+  // thus, this \/ threshold value is used here. BasePathSize in CastExpr might
+  // not fit it, so we are testing that we do fit it.
+  // If -ftemplate-depth= is provided, larger values (4096 and up) cause crashes
+  // elsewhere.
+  d<g, g::h, (1U << 10U) - 2U> f;
+};
+void i::j() const {
+  const void *k{f.f};
+  (void)k;
+}
-- 
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