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, 9 insertions, 7 deletions

diff --git a/compiler/rustc_codegen_gcc/src/context.rs b/compiler/rustc_codegen_gcc/src/context.rs
index 707b35967a6..3846d025537 100644
--- a/compiler/rustc_codegen_gcc/src/context.rs
+++ b/compiler/rustc_codegen_gcc/src/context.rs
@@ -11,10 +11,10 @@ use rustc_data_structures::fx::{FxHashMap, FxHashSet};
 use rustc_middle::mir::mono::CodegenUnit;
 use rustc_middle::span_bug;
 use rustc_middle::ty::layout::{
-    FnAbiError, FnAbiOf, FnAbiOfHelpers, FnAbiRequest, HasParamEnv, HasTyCtxt, LayoutError,
+    FnAbiError, FnAbiOf, FnAbiOfHelpers, FnAbiRequest, HasTyCtxt, HasTypingEnv, LayoutError,
     LayoutOfHelpers,
 };
-use rustc_middle::ty::{self, Instance, ParamEnv, PolyExistentialTraitRef, Ty, TyCtxt};
+use rustc_middle::ty::{self, Instance, PolyExistentialTraitRef, Ty, TyCtxt};
 use rustc_session::Session;
 use rustc_span::source_map::respan;
 use rustc_span::{DUMMY_SP, Span};
@@ -144,7 +144,9 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> {
         supports_f128_type: bool,
     ) -> Self {
         let create_type = |ctype, rust_type| {
-            let layout = tcx.layout_of(ParamEnv::reveal_all().and(rust_type)).unwrap();
+            let layout = tcx
+                .layout_of(ty::TypingEnv::fully_monomorphized().as_query_input(rust_type))
+                .unwrap();
             let align = layout.align.abi.bytes();
             #[cfg(feature = "master")]
             {
@@ -459,7 +461,7 @@ impl<'gcc, 'tcx> MiscCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> {
             Some(def_id) if !wants_msvc_seh(self.sess()) => {
                 let instance = ty::Instance::expect_resolve(
                     tcx,
-                    ty::ParamEnv::reveal_all(),
+                    self.typing_env(),
                     def_id,
                     ty::List::empty(),
                     DUMMY_SP,
@@ -583,9 +585,9 @@ impl<'gcc, 'tcx> FnAbiOfHelpers<'tcx> for CodegenCx<'gcc, 'tcx> {
     }
 }
 
-impl<'tcx, 'gcc> HasParamEnv<'tcx> for CodegenCx<'gcc, 'tcx> {
-    fn param_env(&self) -> ParamEnv<'tcx> {
-        ParamEnv::reveal_all()
+impl<'tcx, 'gcc> HasTypingEnv<'tcx> for CodegenCx<'gcc, 'tcx> {
+    fn typing_env(&self) -> ty::TypingEnv<'tcx> {
+        ty::TypingEnv::fully_monomorphized()
     }
 }