diff options
Diffstat (limited to 'compiler/rustc_mir_transform/src')
| -rw-r--r-- | compiler/rustc_mir_transform/src/check_unnecessary_transmutes.rs | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/compiler/rustc_mir_transform/src/check_unnecessary_transmutes.rs b/compiler/rustc_mir_transform/src/check_unnecessary_transmutes.rs index 8be782dcbf0..4aff127908e 100644 --- a/compiler/rustc_mir_transform/src/check_unnecessary_transmutes.rs +++ b/compiler/rustc_mir_transform/src/check_unnecessary_transmutes.rs @@ -87,11 +87,8 @@ impl<'tcx> Visitor<'tcx> for UnnecessaryTransmuteChecker<'_, 'tcx> { && let Some((func_def_id, _)) = func.const_fn_def() && self.tcx.is_intrinsic(func_def_id, sym::transmute) && let span = self.body.source_info(location).span - && let Some(lint) = self.is_unnecessary_transmute( - func, - self.tcx.sess.source_map().span_to_snippet(arg).expect("ok"), - span, - ) + && let Ok(snippet) = self.tcx.sess.source_map().span_to_snippet(arg) + && let Some(lint) = self.is_unnecessary_transmute(func, snippet, span) && let Some(hir_id) = terminator.source_info.scope.lint_root(&self.body.source_scopes) { self.tcx.emit_node_span_lint(UNNECESSARY_TRANSMUTES, hir_id, span, lint); |