diff --git a/test/stack_traces.zig b/test/stack_traces.zig
index 85b682ab8726dbf8a34dec6a459f3e72b7d01d1e..40a6168297cbe851fa4479ac65308717e009a248 100644
--- a/test/stack_traces.zig
+++ b/test/stack_traces.zig
@@ -839,6 +839,7 @@ pub fn addCases(cases: *tests.StackTracesContext) void {
             .exclude_os = &.{
                 .windows, // TODO
                 .linux, // defeated by aggressive inlining
+                .macos, // Broken in LLVM 20.
             },
             .expect =
             \\error: TheSkyIsFalling