PR29097: add an update record when we instantiate the default member

initializer of an imported field.

llvm-svn: 279667

1 files changed, 21 insertions, 6 deletions

diff --git a/clang/test/PCH/cxx1y-default-initializer.cpp b/clang/test/PCH/cxx1y-default-initializer.cpp
index 1f8d9a5d08d..c9593a56d2e 100644
--- a/clang/test/PCH/cxx1y-default-initializer.cpp
+++ b/clang/test/PCH/cxx1y-default-initializer.cpp
@@ -1,10 +1,10 @@
-// RUN: %clang_cc1 -pedantic -std=c++1y %s -o %t
-// RUN: %clang_cc1 -pedantic -std=c++1y -emit-pch %s -o %t
-// RUN: %clang_cc1 -pedantic -std=c++1y -include-pch %t -verify %s
+// RUN: %clang_cc1 -pedantic -std=c++1y -include %s -include %s -verify %s
+// RUN: %clang_cc1 -pedantic -std=c++1y -emit-pch -o %t.1 %s
+// RUN: %clang_cc1 -pedantic -std=c++1y -include-pch %t.1 -emit-pch -o %t.2 %s
+// RUN: %clang_cc1 -pedantic -std=c++1y -include-pch %t.2 -verify %s
 
-#ifndef HEADER_INCLUDED
-
-#define HEADER_INCLUDED
+#ifndef HEADER_1
+#define HEADER_1
 
 struct A {
   int x;
@@ -19,6 +19,20 @@ struct B {
   constexpr B(int k) : z1(k) {}
 };
 
+template<typename T> struct C {
+  constexpr C() {}
+  T c = T();
+  struct U {};
+};
+// Instantiate C<int> but not the default initializer.
+C<int>::U ciu;
+
+#elif !defined(HEADER_2)
+#define HEADER_2
+
+// Instantiate the default initializer now, should create an update record.
+C<int> ci;
+
 #else
 
 static_assert(A{}.z == 3, "");
@@ -27,5 +41,6 @@ static_assert(A{.y = 5}.z == 5, ""); // expected-warning {{C99}}
 static_assert(A{3, .y = 1}.z == 4, ""); // expected-warning {{C99}}
 static_assert(make<int>().z == 3, "");
 static_assert(make<int>(12).z == 15, "");
+static_assert(C<int>().c == 0, "");
 
 #endif