From 9f241b3a26b9344e061094052ecd67a3bde4b2e1 Mon Sep 17 00:00:00 2001 From: Ralf Jung Date: Wed, 21 Dec 2022 13:49:48 +0100 Subject: abort immediately on bad mem::zeroed/uninit --- compiler/rustc_codegen_ssa/src/mir/block.rs | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) (limited to 'compiler/rustc_codegen_ssa/src') diff --git a/compiler/rustc_codegen_ssa/src/mir/block.rs b/compiler/rustc_codegen_ssa/src/mir/block.rs index cff72048ead..978aff511bf 100644 --- a/compiler/rustc_codegen_ssa/src/mir/block.rs +++ b/compiler/rustc_codegen_ssa/src/mir/block.rs @@ -637,7 +637,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { self.set_debug_loc(bx, terminator.source_info); // Obtain the panic entry point. - let (fn_abi, llfn) = common::build_langcall(bx, Some(span), LangItem::PanicNoUnwind); + let (fn_abi, llfn) = common::build_langcall(bx, Some(span), LangItem::PanicCannotUnwind); // Codegen the actual panic invoke/call. let merging_succ = helper.do_call(self, bx, fn_abi, llfn, &[], None, None, &[], false); @@ -698,11 +698,10 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { }) }); let msg = bx.const_str(&msg_str); - let location = self.get_caller_location(bx, source_info).immediate(); // Obtain the panic entry point. let (fn_abi, llfn) = - common::build_langcall(bx, Some(source_info.span), LangItem::Panic); + common::build_langcall(bx, Some(source_info.span), LangItem::PanicNounwind); // Codegen the actual panic invoke/call. helper.do_call( @@ -710,7 +709,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { bx, fn_abi, llfn, - &[msg.0, msg.1, location], + &[msg.0, msg.1], target.as_ref().map(|bb| (ReturnDest::Nothing, *bb)), cleanup, &[], @@ -1665,7 +1664,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let llpersonality = self.cx.eh_personality(); bx.cleanup_landing_pad(llpersonality); - let (fn_abi, fn_ptr) = common::build_langcall(&bx, None, LangItem::PanicNoUnwind); + let (fn_abi, fn_ptr) = common::build_langcall(&bx, None, LangItem::PanicCannotUnwind); let fn_ty = bx.fn_decl_backend_type(&fn_abi); let llret = bx.call(fn_ty, Some(&fn_abi), fn_ptr, &[], None); -- cgit 1.4.1-3-g733a5