bjoernager/rust
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when terminating during unwinding, show the reason why

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This commit is contained in:
Ralf Jung 2023-08-21 09:57:10 +02:00
parent 0b31792ef1
commit 4c53783f3c
88 changed files with 380 additions and 278 deletions
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8
compiler/rustc_codegen_ssa/src/mir/mod.rs
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@ -83,8 +83,8 @@ pub struct FunctionCx<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> {
/// Cached unreachable block
unreachable_block: Option<Bx::BasicBlock>,
/// Cached terminate upon unwinding block
terminate_block: Option<Bx::BasicBlock>,
/// Cached terminate upon unwinding (reason: InCleanup) block
terminate_in_cleanup_block: Option<Bx::BasicBlock>,
/// The location where each MIR arg/var/tmp/ret is stored. This is
/// usually an `PlaceRef` representing an alloca, but not always:
@ -174,7 +174,7 @@ pub fn codegen_mir<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
let mut start_bx = Bx::build(cx, start_llbb);
if mir.basic_blocks.iter().any(|bb| {
bb.is_cleanup || matches!(bb.terminator().unwind(), Some(mir::UnwindAction::Terminate))
bb.is_cleanup || matches!(bb.terminator().unwind(), Some(mir::UnwindAction::Terminate(_)))
}) {
start_bx.set_personality_fn(cx.eh_personality());
}
@ -199,7 +199,7 @@ pub fn codegen_mir<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
personality_slot: None,
cached_llbbs,
unreachable_block: None,
terminate_block: None,
terminate_in_cleanup_block: None,
cleanup_kinds,
landing_pads: IndexVec::from_elem(None, &mir.basic_blocks),
funclets: IndexVec::from_fn_n(|_| None, mir.basic_blocks.len()),