From bc46a0ade909c8a54e1373db977ce06985fefe5b Mon Sep 17 00:00:00 2001
From: MarcZX10 <67475268+MarcZX10@users.noreply.github.com>
Date: Sun, 25 Oct 2026 21:44:12 +0000
Subject: [PATCH] test(libc): name the failing check in the exact math test

---
 core/libs/tests/GuestMathExact.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/core/libs/tests/GuestMathExact.cpp b/core/libs/tests/GuestMathExact.cpp
index 5db64f610d..f43f49f24b 100644
--- a/core/libs/tests/GuestMathExact.cpp
+++ b/core/libs/tests/GuestMathExact.cpp
@@ -5,10 +5,16 @@
 #include <climits>
 #include <cmath>
 #include <cstdint>
+#include <cstdio>
 #include <cstdlib>
 #include <cstring>
+#include <source_location>
 
-static void Require(bool value) { if (!value) std::abort(); }
+static void Require(bool value, std::source_location location = std::source_location::current()) {
+    if (value) return;
+    std::fprintf(stderr, "%s:%u: requirement failed\n", location.file_name(), location.line());
+    std::abort();
+}
 
 [[gnu::noinline]] static long double Extended(std::uint16_t signExponent, std::uint64_t mantissa) {
     long double value = 0;