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-rw-r--r--clang/test/Driver/darwin-sdkroot.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/clang/test/Driver/darwin-sdkroot.c b/clang/test/Driver/darwin-sdkroot.c
index 4f1fca2785b..52479a1418a 100644
--- a/clang/test/Driver/darwin-sdkroot.c
+++ b/clang/test/Driver/darwin-sdkroot.c
@@ -74,3 +74,12 @@
// CHECK-MACOSX: "-triple" "x86_64-apple-macosx10.10.0"
// CHECK-MACOSX: ld
// CHECK-MACOSX: "-macosx_version_min" "10.10.0"
+
+// Ensure that we never pick a version that's based on the SDK that's newer than
+// the system version:
+// RUN: rm -rf %t/SDKs/MacOSX10.99.99.sdk
+// RUN: mkdir -p %t/SDKs/MacOSX10.99.99.sdk
+// RUN: %clang -target x86_64-apple-darwin -isysroot %t/SDKs/MacOSX10.99.99.sdk %s -### 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-MACOSX-SYSTEM-VERSION %s
+
+// CHECK-MACOSX-SYSTEM-VERSION-NOT: 10.99.99"
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