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Set EH personality when resuming stack unwinding #36895

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Set EH personality when resuming stack unwinding #36895

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3 changes: 3 additions & 0 deletions src/librustc_trans/mir/block.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -115,6 +115,9 @@ impl<'bcx, 'tcx> MirContext<'bcx, 'tcx> {
if let Some(cleanup_pad) = cleanup_pad {
bcx.cleanup_ret(cleanup_pad, None);
} else {
let llpersonality = bcx.fcx.eh_personality();
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@nagisa nagisa Oct 1, 2016

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Why is init_cpad not doing enough? You are not supposed to have resume without some sort of cleanups going on.

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@dylanmckay dylanmckay Oct 2, 2016

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I'm looking into that now. The issue that we found in avr-rust#18 was having a resume without a personality inside std::mem::forget, which is basically a nop so I don't think there is any cleanup to do.

bcx.set_personality_fn(llpersonality);

let ps = self.get_personality_slot(&bcx);
let lp = bcx.load(ps);
bcx.with_block(|bcx| {
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