From b0cdd3d0e691b20043bb7fb763f983b25bfcb2d2 Mon Sep 17 00:00:00 2001
From: Lee Cannon <leecannon@leecannon.xyz>
Date: Sat, 19 Feb 2022 17:36:17 +0000
Subject: [PATCH] StackIterator should not try to check validity on
 freestanding

---
 lib/std/debug.zig | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/std/debug.zig b/lib/std/debug.zig
index c1571a70c6..a2cbf88730 100644
--- a/lib/std/debug.zig
+++ b/lib/std/debug.zig
@@ -425,6 +425,9 @@ pub const StackIterator = struct {
     }
 
     fn isValidMemory(address: usize) bool {
+        // We are unable to determine validity of memory for freestanding targets
+        if (native_os == .freestanding) return true;
+
         const aligned_address = address & ~@intCast(usize, (mem.page_size - 1));
 
         // If the address does not span 2 pages, query only the first one