zig

commit a5f18c2b2ae86126e0fd0cba67676ae68ba0f1df (tree)
parent 94f29ae11736bd5abb0383610b42cb7ea19f1f0c
Author: Rocknest <35231115+Rocknest@users.noreply.github.com>
Date:   Thu, 30 Jan 2020 10:00:28 +0200

Fix one more edge case

Diffstat:
M
lib/std/debug.zig
 | 
1
+

1 file changed, 1 insertion(+), 0 deletions(-)
diff --git a/lib/std/debug.zig b/lib/std/debug.zig
@@ -131,6 +131,7 @@ pub fn dumpStackTraceFromBase(bp: usize, ip: usize) void {
     const tty_config = detectTTYConfig();
     printSourceAtAddress(debug_info, stderr, ip, tty_config) catch return;
     const first_return_address = @intToPtr(*const usize, bp + @sizeOf(usize)).*;
+    if (first_return_address == 0) return; // The whole call stack may be optimized out
     printSourceAtAddress(debug_info, stderr, first_return_address - 1, tty_config) catch return;
     var it = StackIterator{
         .first_addr = null,