diff options
Diffstat (limited to 'compiler/rustc_codegen_cranelift/src/base.rs')
| -rw-r--r-- | compiler/rustc_codegen_cranelift/src/base.rs | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/compiler/rustc_codegen_cranelift/src/base.rs b/compiler/rustc_codegen_cranelift/src/base.rs index e05f2146f0c..522dd7189fe 100644 --- a/compiler/rustc_codegen_cranelift/src/base.rs +++ b/compiler/rustc_codegen_cranelift/src/base.rs @@ -7,6 +7,8 @@ use rustc_middle::ty::layout::FnAbiOf; use rustc_middle::ty::print::with_no_trimmed_paths; use cranelift_codegen::ir::UserFuncName; +use cranelift_codegen::CodegenError; +use cranelift_module::ModuleError; use crate::constant::ConstantCx; use crate::debuginfo::FunctionDebugContext; @@ -172,7 +174,21 @@ pub(crate) fn compile_fn( // Define function cx.profiler.generic_activity("define function").run(|| { context.want_disasm = cx.should_write_ir; - module.define_function(codegened_func.func_id, context).unwrap(); + match module.define_function(codegened_func.func_id, context) { + Ok(()) => {} + Err(ModuleError::Compilation(CodegenError::ImplLimitExceeded)) => { + let handler = rustc_session::EarlyErrorHandler::new( + rustc_session::config::ErrorOutputType::default(), + ); + handler.early_error(format!( + "backend implementation limit exceeded while compiling {name}", + name = codegened_func.symbol_name + )); + } + Err(err) => { + panic!("Error while defining {name}: {err:?}", name = codegened_func.symbol_name); + } + } }); if cx.should_write_ir { @@ -356,7 +372,7 @@ fn codegen_fn_body(fx: &mut FunctionCx<'_, '_, '_>, start_block: Block) { codegen_panic_inner( fx, - rustc_hir::LangItem::PanicBoundsCheck, + rustc_hir::LangItem::PanicMisalignedPointerDereference, &[required, found, location], source_info.span, ); |