Fix warnings in libc++abi tests
git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@290471 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/backtrace_test.pass.cpp b/test/backtrace_test.pass.cpp
index 80346c0..b9388ff 100644
--- a/test/backtrace_test.pass.cpp
+++ b/test/backtrace_test.pass.cpp
@@ -14,7 +14,7 @@
#include <unwind.h>
extern "C" _Unwind_Reason_Code
-trace_function(struct _Unwind_Context* context, void* ntraced) {
+trace_function(struct _Unwind_Context*, void* ntraced) {
(*reinterpret_cast<size_t*>(ntraced))++;
// We should never have a call stack this deep...
assert(*reinterpret_cast<size_t*>(ntraced) < 20);