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std.builtin.panic: simpler default panic for stage2

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until it catches up to stage1 in terms of supported language features
This commit is contained in:
Andrew Kelley 2021-07-07 00:38:46 -07:00
parent 298a65ff4b
commit d481acc7db
1 changed files with 7 additions and 0 deletions
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7
lib/std/builtin.zig
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@ -677,6 +677,13 @@ pub const panic: PanicFn = if (@hasDecl(root, "panic")) root.panic else default_
/// therefore must be kept in sync with the compiler implementation.
pub fn default_panic(msg: []const u8, error_return_trace: ?*StackTrace) noreturn {
@setCold(true);
// Until self-hosted catches up with stage1 language features, we have a simpler
// default panic function:
if (builtin.zig_is_stage2) {
while (true) {
@breakpoint();
}
}
if (@hasDecl(root, "os") and @hasDecl(root.os, "panic")) {
root.os.panic(msg, error_return_trace);
unreachable;