vendor/clang/clang-trunk-r300422

1 files changed, 25 insertions, 0 deletions

diff --git a/test/Modules/pragma-pack.cpp b/test/Modules/pragma-pack.cpp
new file mode 100644
index 0000000000000..96a880c6307b0
--- /dev/null
+++ b/test/Modules/pragma-pack.cpp
@@ -0,0 +1,25 @@
+// RUN: rm -rf %t.cache %tlocal.cache
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fmodules \
+// RUN:   -fimplicit-module-maps -x c++ -emit-module \
+// RUN:   -fmodules-cache-path=%t.cache \
+// RUN:   -fmodule-name=pragma_pack %S/Inputs/module.map
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fmodules \
+// RUN:   -fimplicit-module-maps -x c++ -verify \
+// RUN:   -fmodules-cache-path=%t.cache \
+// RUN:   -I%S/Inputs %s
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fmodules \
+// RUN:   -fmodules-local-submodule-visibility \
+// RUN:   -fimplicit-module-maps -x c++ -emit-module \
+// RUN:   -fmodules-cache-path=%tlocal.cache \
+// RUN:   -fmodule-name=pragma_pack %S/Inputs/module.map
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fmodules \
+// RUN:   -fmodules-local-submodule-visibility \
+// RUN:   -fimplicit-module-maps -x c++ -verify \
+// RUN:   -fmodules-cache-path=%tlocal.cache \
+// RUN:   -I%S/Inputs %s
+
+// Check that we don't serialize pragma pack state until/unless including an
+// empty file from the same module (but different submodule) has no effect.
+#pragma pack (show) // expected-warning {{value of #pragma pack(show) == 8}}
+#include "empty.h"
+#pragma pack (show) // expected-warning {{value of #pragma pack(show) == 8}}