[Modules] Support #import when entering files with modules
Textual headers and builtins that are #import'd from different
modules should get re-entered when these modules are independent
from each other.
Differential Revision: https://reviews.llvm.org/D26267
rdar://problem/25881934
llvm-svn: 291644
diff --git a/clang/test/Modules/builtin-import.mm b/clang/test/Modules/builtin-import.mm
new file mode 100644
index 0000000..2536ac5
--- /dev/null
+++ b/clang/test/Modules/builtin-import.mm
@@ -0,0 +1,12 @@
+// REQUIRES: system-darwin
+
+// RUN: rm -rf %t
+// RUN: %clang -cc1 -fsyntax-only -nostdinc++ -isysroot %S/Inputs/libc-libcxx/sysroot -isystem %S/Inputs/libc-libcxx/sysroot/usr/include/c++/v1 -std=c++11 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -x objective-c++ -fmodules-local-submodule-visibility %s
+
+#include <stdio.h>
+#include <stddef.h>
+#include <cstddef>
+
+typedef ptrdiff_t try1_ptrdiff_t;
+typedef my_ptrdiff_t try2_ptrdiff_t;
+