[clang-repl] Disable LSan in InterpreterExceptionTest.

Disabling LSan for this test until we can track down the leak described in
https://github.com/llvm/llvm-project/issues/67586.

clang/unittests/Interpreter/ExceptionTests/InterpreterExceptionTest.cpp

@@ -29,6 +29,14 @@
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 
+// Disable LSan for this test.
+// FIXME: Re-enable this once we track down the leak described in
+// https://llvm.org/github.com/llvm/llvm-project/issues/67586.
+#if LLVM_ADDRESS_SANITIZER_BUILD || LLVM_HWADDRESS_SANITIZER_BUILD
+#include <sanitizer/lsan_interface.h>
+LLVM_ATTRIBUTE_USED int __lsan_is_turned_off() { return 1; }
+#endif
+
 using namespace clang;
 
 namespace {