1 files changed, 33 insertions, 0 deletions
diff --git a/lib/tsan/lit_tests/ignore_lib2.cc b/lib/tsan/lit_tests/ignore_lib2.cc
new file mode 100644
index 000000000000..97f9419e4d89
--- /dev/null
+++ b/lib/tsan/lit_tests/ignore_lib2.cc
@@ -0,0 +1,33 @@
+// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %T/libignore_lib2_0.so
+// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -fno-sanitize=thread -shared -o %T/libignore_lib2_1.so
+// RUN: %clangxx_tsan -O1 %s -o %t
+// RUN: TSAN_OPTIONS="$TSAN_OPTIONS suppressions=%s.supp" not %t 2>&1 | FileCheck %s
+
+// Tests that called_from_lib suppression matched against 2 libraries
+// causes program crash (this is not supported).
+
+#ifndef LIB
+
+#include <dlfcn.h>
+#include <stdio.h>
+#include <libgen.h>
+#include <string>
+
+int main(int argc, char **argv) {
+  std::string lib0 = std::string(dirname(argv[0])) + "/libignore_lib2_0.so";
+  std::string lib1 = std::string(dirname(argv[0])) + "/libignore_lib2_1.so";
+  dlopen(lib0.c_str(), RTLD_GLOBAL | RTLD_NOW);
+  dlopen(lib1.c_str(), RTLD_GLOBAL | RTLD_NOW);
+  fprintf(stderr, "OK\n");
+}
+
+#else  // #ifdef LIB
+
+extern "C" void libfunc() {
+}
+
+#endif  // #ifdef LIB
+
+// CHECK: ThreadSanitizer: called_from_lib suppression 'ignore_lib2' is matched against 2 libraries
+// CHECK-NOT: OK
+