From 2530d638d67977c1f02f8c0fb91934e5fdd45bb0 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Wed, 23 Oct 2024 16:25:37 -0700
Subject: [PATCH] more helpful message when testTlsOffsetAlignment fails

---
 test/link/elf.zig | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/test/link/elf.zig b/test/link/elf.zig
index 8af1dff69561..7d387a07623b 100644
--- a/test/link/elf.zig
+++ b/test/link/elf.zig
@@ -3757,11 +3757,15 @@ fn testTlsOffsetAlignment(b: *Build, opts: Options) *Step {
         \\#include <pthread.h>
         \\#include <dlfcn.h>
         \\#include <assert.h>
+        \\#include <stdio.h>
         \\void *(*verify)(void *);
         \\
         \\int main() {
         \\  void *handle = dlopen("liba.so", RTLD_NOW);
-        \\  assert(handle);
+        \\  if (!handle) {
+        \\    fprintf(stderr, "dlopen failed: %s\n", dlerror());
+        \\    return 1;
+        \\  }
         \\  *(void**)(&verify) = dlsym(handle, "verify");
         \\  assert(verify);
         \\