use `TypingEnv` when no `infcx` is available

the behavior of the type system not only depends on the current
assumptions, but also the currentnphase of the compiler. This is
mostly necessary as we need to decide whether and how to reveal
opaque types. We track this via the `TypingMode`.

1 files changed, 2 insertions, 2 deletions

diff --git a/clippy_lints/src/large_stack_frames.rs b/clippy_lints/src/large_stack_frames.rs
index d2bdf194ada..5ed948c02bb 100644
--- a/clippy_lints/src/large_stack_frames.rs
+++ b/clippy_lints/src/large_stack_frames.rs
@@ -150,11 +150,11 @@ impl<'tcx> LateLintPass<'tcx> for LargeStackFrames {
         }
 
         let mir = cx.tcx.optimized_mir(def_id);
-        let param_env = cx.tcx.param_env(def_id);
+        let typing_env = mir.typing_env(cx.tcx);
 
         let sizes_of_locals = || {
             mir.local_decls.iter().filter_map(|local| {
-                let layout = cx.tcx.layout_of(param_env.and(local.ty)).ok()?;
+                let layout = cx.tcx.layout_of(typing_env.as_query_input(local.ty)).ok()?;
                 Some((local, layout.size.bytes()))
             })
         };