[ASTImporter] Add test for member pointer types.

Reviewers: a.sidorin, martong

Reviewed By: martong

Subscribers: rnkovacs, martong, cfe-commits

Differential Revision: https://reviews.llvm.org/D50792

llvm-svn: 339919

clang/test/Import/cxx-member-pointers/Inputs/S.cpp

@@ -0,0 +1,7 @@
+struct S {
+  int i;
+};
+
+int S::*iptr() {
+  return &S::i;
+}

clang/test/Import/cxx-member-pointers/test.cpp

@@ -0,0 +1,16 @@
+// RUN: clang-import-test -dump-ast -import %S/Inputs/S.cpp -expression %s | FileCheck %s
+
+// CHECK: VarDecl
+// CHECK-SAME: int S::*
+// CHECK-NEXT: CallExpr
+// CHECK-NEXT: ImplicitCastExpr
+// CHECK-SAME: int S::*(*)()
+// CHECK-NEXT: DeclRefExpr
+// CHECK-SAME: int S::*()
+
+void expr() {
+  int S::*p = iptr();
+  S s;
+  s.i = 3;
+  int i = s.*p;
+}