1 files changed, 20 insertions, 0 deletions
diff --git a/lib/asan/lit_tests/TestCases/Darwin/unset-insert-libraries-on-exec.cc b/lib/asan/lit_tests/TestCases/Darwin/unset-insert-libraries-on-exec.cc
new file mode 100644
index 000000000000..fa0dd4f9df88
--- /dev/null
+++ b/lib/asan/lit_tests/TestCases/Darwin/unset-insert-libraries-on-exec.cc
@@ -0,0 +1,20 @@
+// Make sure ASan removes the runtime library from DYLD_INSERT_LIBRARIES before
+// executing other programs.
+
+// RUN: %clangxx_asan %s -o %t
+// RUN: %clangxx %p/../Helpers/echo-env.cc -o %T/echo-env
+// RUN: %clangxx %p/../SharedLibs/darwin-dummy-shared-lib-so.cc \
+// RUN:     -dynamiclib -o %t-darwin-dummy-shared-lib-so.dylib
+
+// Make sure DYLD_INSERT_LIBRARIES doesn't contain the runtime library before
+// execl().
+
+// RUN: %t %T/echo-env >/dev/null 2>&1
+// RUN: DYLD_INSERT_LIBRARIES=%t-darwin-dummy-shared-lib-so.dylib \
+// RUN:     %t %T/echo-env 2>&1 | FileCheck %s || exit 1
+#include <unistd.h>
+int main(int argc, char *argv[]) {
+  execl(argv[1], argv[1], "DYLD_INSERT_LIBRARIES", NULL);
+  // CHECK:  {{DYLD_INSERT_LIBRARIES = .*darwin-dummy-shared-lib-so.dylib.*}}
+  return 0;
+}