work around riscv64 backend deficiencies

2024-09-25 20:39:18 -07:00
parent 231783f207
commit fcfbedc2f0
2 changed files with 25 additions and 0 deletions
--- a/lib/std/debug.zig
+++ b/lib/std/debug.zig
@@ -629,6 +629,11 @@ pub fn fmtPanicCause(buffer: []u8, cause: std.builtin.PanicCause) usize {
        },
        .sentinel_mismatch_other => i += fmtBuf(buffer[i..], "sentinel mismatch"),
        .unwrap_error => |err| {
+            if (builtin.zig_backend == .stage2_riscv64) {
+                // https://github.com/ziglang/zig/issues/21519
+                i += fmtBuf(buffer[i..], "attempt to unwrap error");
+                return i;
+            }
            i += fmtBuf(buffer[i..], "attempt to unwrap error: ");
            i += fmtBuf(buffer[i..], @errorName(err));
        },