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-rw-r--r--clang/test/Driver/modules.m10
1 files changed, 10 insertions, 0 deletions
diff --git a/clang/test/Driver/modules.m b/clang/test/Driver/modules.m
index b93054dbf87..7b14f21443f 100644
--- a/clang/test/Driver/modules.m
+++ b/clang/test/Driver/modules.m
@@ -4,3 +4,13 @@
// RUN: %clang -fmodules -fno-modules -fmodules -### %s 2>&1 | FileCheck -check-prefix=CHECK-HAS-MODULES %s
// CHECK-HAS-MODULES: -fmodules
+// RUN: %clang -fbuild-session-timestamp=123 -### %s 2>&1 | FileCheck -check-prefix=TIMESTAMP_ONLY %s
+// TIMESTAMP_ONLY: -fbuild-session-timestamp=123
+
+// RUN: %clang -fbuild-session-timestamp=123 -fmodules-validate-once-per-build-session -### %s 2>&1 | FileCheck -check-prefix=MODULES_VALIDATE_ONCE %s
+// MODULES_VALIDATE_ONCE: -fbuild-session-timestamp=123
+// MODULES_VALIDATE_ONCE: -fmodules-validate-once-per-build-session
+
+// RUN: %clang -fmodules-validate-once-per-build-session -### %s 2>&1 | FileCheck -check-prefix=MODULES_VALIDATE_ONCE_ERR %s
+// MODULES_VALIDATE_ONCE_ERR: option '-fmodules-validate-once-per-build-session' requires '-fbuild-session-timestamp=<seconds since Epoch>'
+
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