[clang] 5b9fc44 - [clang] Add a C++17 deduction guide testcase.

[Haojian Wu via cfe-commits]

Author: Haojian Wu
Date: 2020-12-04T09:02:50+01:00
New Revision: 5b9fc44d8128717ef2f219b061c018abb85c717f

URL: https://github.com/llvm/llvm-project/commit/5b9fc44d8128717ef2f219b061c018abb85c717f
DIFF: https://github.com/llvm/llvm-project/commit/5b9fc44d8128717ef2f219b061c018abb85c717f.diff

LOG: [clang] Add a C++17 deduction guide testcase.

>From https://bugs.llvm.org/show_bug.cgi?id=47219.

It was crashing before the commit 1e14588d0f68.

Differential Revision: https://reviews.llvm.org/D92573

Added: 
    clang/test/PCH/cxx17-deduction-guide-decl.cpp

Modified: 
    

Removed: 
    


################################################################################
diff  --git a/clang/test/PCH/cxx17-deduction-guide-decl.cpp b/clang/test/PCH/cxx17-deduction-guide-decl.cpp
new file mode 100644
index 000000000000..93ab82c02403
--- /dev/null
+++ b/clang/test/PCH/cxx17-deduction-guide-decl.cpp
@@ -0,0 +1,24 @@
+// Test with pch.
+// RUN: %clang_cc1 -emit-pch -std=c++17  -o %t %s
+// RUN: %clang_cc1 -include-pch %t -emit-llvm -std=c++17 -o - %s
+
+#ifndef HEADER
+#define HEADER
+
+namespace RP47219 {
+typedef int MyInt;
+template <typename T>
+class Some {
+ public:
+  explicit Some(T, MyInt) {}
+};
+
+struct Foo {};
+void ParseNatural() {
+  Some(Foo(), 1);
+}
+}
+
+#else
+
+#endif