1 files changed, 44 insertions, 0 deletions
diff --git a/test/Sema/suspicious-pragma-pack.c b/test/Sema/suspicious-pragma-pack.c
new file mode 100644
index 0000000000..10c4167102
--- /dev/null
+++ b/test/Sema/suspicious-pragma-pack.c
@@ -0,0 +1,44 @@
+// RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -I %S/Inputs -DSAFE -verify %s
+// RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -I %S/Inputs -DPUSH_HERE -DSAFE -verify %s
+// RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -I %S/Inputs -DPUSH_HERE -DPUSH_SET_HERE -verify %s
+// RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -I %S/Inputs -DPUSH_HERE -DRESET_HERE -DSAFE -verify %s
+// RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -I %S/Inputs -DPUSH_HERE -DSET_FIRST_HEADER -DWARN_MODIFIED_HEADER -verify %s
+// RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -I %S/Inputs -DPUSH_HERE -DRESET_HERE -DSET_FIRST_HEADER -DWARN_MODIFIED_HEADER -verify %s
+// RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -I %S/Inputs -DPUSH_HERE -DPUSH_SET_HERE -DSET_FIRST_HEADER -DWARN_MODIFIED_HEADER -verify %s
+// RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -I %S/Inputs -DPUSH_HERE -DPUSH_SET_HERE -DSET_SECOND_HEADER -DWARN_MODIFIED_HEADER -verify %s
+// RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -I %S/Inputs -DPUSH_HERE -DPUSH_SET_HERE -DSET_FIRST_HEADER -DSET_SECOND_HEADER -DWARN_MODIFIED_HEADER -verify %s
+
+// RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -I %S/Inputs -DPUSH_POP_FIRST_HEADER -DSAFE -verify %s
+
+
+#ifdef SAFE
+// expected-no-diagnostics
+#endif
+
+#ifdef PUSH_HERE
+#pragma pack (push)
+#endif
+
+#ifdef PUSH_SET_HERE
+#pragma pack (push, 4) // expected-note {{previous '#pragma pack' directive that modifies alignment is here}}
+// expected-warning@+8 {{non-default #pragma pack value might change the alignment of struct or union members in the included file}}
+#endif
+
+#ifdef RESET_HERE
+#pragma pack (4)
+#pragma pack () // no warning after reset as the value is default.
+#endif
+
+#include "pragma-pack1.h"
+
+#ifdef WARN_MODIFIED_HEADER
+// expected-warning@-3 {{the current #pragma pack aligment value is modified in the included file}}
+#endif
+
+#ifdef PUSH_SET_HERE
+#pragma pack (pop)
+#endif
+
+#ifdef PUSH_HERE
+#pragma pack (pop)
+#endif