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, 5 insertions, 3 deletions

diff --git a/compiler/rustc_codegen_cranelift/src/debuginfo/mod.rs b/compiler/rustc_codegen_cranelift/src/debuginfo/mod.rs
index 9025ea97b81..f3a8623e216 100644
--- a/compiler/rustc_codegen_cranelift/src/debuginfo/mod.rs
+++ b/compiler/rustc_codegen_cranelift/src/debuginfo/mod.rs
@@ -210,7 +210,7 @@ impl DebugContext {
 
         type_names::push_generic_params(
             tcx,
-            tcx.normalize_erasing_regions(ty::ParamEnv::reveal_all(), args),
+            tcx.normalize_erasing_regions(ty::TypingEnv::fully_monomorphized(), args),
             &mut name,
         );
 
@@ -275,8 +275,10 @@ impl DebugContext {
         let span = tcx.def_span(def_id);
         let (file_id, line, _column) = self.get_span_loc(tcx, span, span);
 
-        let static_type = Instance::mono(tcx, def_id).ty(tcx, ty::ParamEnv::reveal_all());
-        let static_layout = tcx.layout_of(ty::ParamEnv::reveal_all().and(static_type)).unwrap();
+        let static_type = Instance::mono(tcx, def_id).ty(tcx, ty::TypingEnv::fully_monomorphized());
+        let static_layout = tcx
+            .layout_of(ty::TypingEnv::fully_monomorphized().as_query_input(static_type))
+            .unwrap();
         // FIXME use the actual type layout
         let type_id = self.debug_type(tcx, type_dbg, static_type);