[clang] [Safe Buffers] Serialize unsafe_buffer_usage pragmas (PR #92031)

[Chuanqi Xu via cfe-commits]

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@@ -0,0 +1,41 @@
+// RUN: rm -rf %t
+// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -emit-module -fmodule-name=safe_buffers_test_base -x c++ %S/Inputs/SafeBuffers/safe_buffers_test.modulemap -std=c++20\
+// RUN:     -o %t/safe_buffers_test_base.pcm -Wunsafe-buffer-usage
+// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -emit-module -fmodule-name=safe_buffers_test_module -x c++ %S/Inputs/SafeBuffers/safe_buffers_test.modulemap -std=c++20\
+// RUN:     -o %t/safe_buffers_test_module.pcm
+// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -emit-module -fmodule-name=safe_buffers_test_optout -x c++ %S/Inputs/SafeBuffers/safe_buffers_test.modulemap -std=c++20\
+// RUN:     -o %t/safe_buffers_test_optout.pcm -fmodule-file=%t/safe_buffers_test_base.pcm -fmodule-file=%t/safe_buffers_test_module.pcm -Wunsafe-buffer-usage
+// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -verify -fmodule-file=%t/safe_buffers_test_optout.pcm -I %S/Inputs/SafeBuffers %s\
+// RUN:     -std=c++20 -Wunsafe-buffer-usage
+
+// RUN: %clang_cc1 -fmodules -fimplicit-module-maps -verify -fmodules-cache-path=%t -fmodule-map-file=%S/Inputs/SafeBuffers/safe_buffers_test.modulemap -I %S/Inputs/SafeBuffers %s\
+// RUN:     -x c++ -std=c++20 -Wunsafe-buffer-usage
+
+#include "test_sub1.h"
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ChuanqiXu9 wrote:

Now we prefer using `split-file` in tests if there are multiple inputs. You can find examples in the same folder.

https://github.com/llvm/llvm-project/pull/92031