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Auto merge of #85640 - bjorn3:custom_ice_hook, r=jackh726

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Allow changing the bug report url for the ice hook

cc https://github.com/bjorn3/rustc_codegen_cranelift/issues/1174
This commit is contained in:
bors 2021-06-25 04:06:32 +00:00
commit 50a9081216
2 changed files with 34 additions and 10 deletions
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19
compiler/rustc_driver/src/lib.rs
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@ -1167,23 +1167,26 @@ pub fn catch_with_exit_code(f: impl FnOnce() -> interface::Result<()>) -> i32 {
static DEFAULT_HOOK: SyncLazy<Box<dyn Fn(&panic::PanicInfo<'_>) + Sync + Send + 'static>> =
SyncLazy::new(|| {
let hook = panic::take_hook();
panic::set_hook(Box::new(|info| report_ice(info, BUG_REPORT_URL)));
panic::set_hook(Box::new(|info| {
// Invoke the default handler, which prints the actual panic message and optionally a backtrace
(*DEFAULT_HOOK)(info);
// Separate the output with an empty line
eprintln!();
// Print the ICE message
report_ice(info, BUG_REPORT_URL);
}));
hook
});
/// Prints the ICE message, including backtrace and query stack.
/// Prints the ICE message, including query stack, but without backtrace.
///
/// The message will point the user at `bug_report_url` to report the ICE.
///
/// When `install_ice_hook` is called, this function will be called as the panic
/// hook.
pub fn report_ice(info: &panic::PanicInfo<'_>, bug_report_url: &str) {
// Invoke the default handler, which prints the actual panic message and optionally a backtrace
(*DEFAULT_HOOK)(info);
// Separate the output with an empty line
eprintln!();
let emitter = Box::new(rustc_errors::emitter::EmitterWriter::stderr(
rustc_errors::ColorConfig::Auto,
None,