Changing stuff and seeing what happens

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/std/debug.zig b/lib/std/debug.zig
index 561993fb99..acc3f36412 100644
--- a/lib/std/debug.zig
+++ b/lib/std/debug.zig
@@ -129,7 +129,7 @@ pub fn dumpStackTraceFromBase(bp: usize, ip: usize) void {
         return;
     };
     const tty_config = detectTTYConfig();
-    printSourceAtAddress(debug_info, stderr, ip, tty_config) catch return;
+    printSourceAtAddress(debug_info, stderr, if (builtin.os == .windows) (ip + 1) else ip, tty_config) catch return;
     const first_return_address = @intToPtr(*const usize, bp + @sizeOf(usize)).*;
     printSourceAtAddress(debug_info, stderr, first_return_address - 1, tty_config) catch return;
     var it = StackIterator{
@@ -325,6 +325,7 @@ pub const StackIterator = struct {
         }
 
         const return_address = @intToPtr(*const usize, self.fp - fp_adjust_factor + @sizeOf(usize)).*;
+        if (return_address == 0) return null;
         return return_address;
     }
 };