Increase chalk overflow depth

Author: lnicola

crates/hir_ty/src/traits.rs

@@ -26,7 +26,7 @@ pub(crate) struct ChalkContext<'a> {
 
 fn create_chalk_solver() -> chalk_recursive::RecursiveSolver<Interner> {
     let overflow_depth =
-        var("CHALK_OVERFLOW_DEPTH").ok().and_then(|s| s.parse().ok()).unwrap_or(100);
+        var("CHALK_OVERFLOW_DEPTH").ok().and_then(|s| s.parse().ok()).unwrap_or(300);
     let max_size = var("CHALK_SOLVER_MAX_SIZE").ok().and_then(|s| s.parse().ok()).unwrap_or(30);
     chalk_recursive::RecursiveSolver::new(overflow_depth, max_size, Some(Cache::new()))
 }