diff options
Diffstat (limited to 'compiler/rustc_trait_selection')
| -rw-r--r-- | compiler/rustc_trait_selection/src/solve/search_graph/mod.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_trait_selection/src/solve/search_graph/mod.rs b/compiler/rustc_trait_selection/src/solve/search_graph/mod.rs index d7ad730b4a3..aeb67666035 100644 --- a/compiler/rustc_trait_selection/src/solve/search_graph/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/search_graph/mod.rs @@ -70,7 +70,7 @@ impl<'tcx> SearchGraph<'tcx> { /// Whether we're currently in a cycle. This should only be used /// for debug assertions. pub(super) fn in_cycle(&self) -> bool { - if let Some(stack_depth) = self.stack.last() { + if let Some(stack_depth) = self.stack.last_index() { // Either the current goal on the stack is the root of a cycle... if self.stack[stack_depth].has_been_used { return true; |