Try to fix ICE

Author: mejrs

compiler/rustc_mir_build/src/thir/pattern/check_match.rs

@@ -17,7 +17,9 @@ use rustc_hir::def::*;
 use rustc_hir::def_id::DefId;
 use rustc_hir::intravisit::{self, Visitor};
 use rustc_hir::{HirId, Pat};
+use rustc_middle::ty::print::with_no_trimmed_paths;
 use rustc_middle::ty::{self, AdtDef, Ty, TyCtxt};
+
 use rustc_session::lint::builtin::{
     BINDINGS_WITH_VARIANT_NAME, IRREFUTABLE_LET_PATTERNS, UNREACHABLE_PATTERNS,
 };
@@ -547,7 +549,9 @@ fn check_for_bindings_named_same_as_variants(
             })
         {
             let variant_count = edef.variants().len();
-            let ty_path = cx.tcx.def_path_str(edef.did());
+            let ty_path = with_no_trimmed_paths!({
+                cx.tcx.def_path_str(edef.did())
+            });
             cx.tcx.emit_spanned_lint(
                 BINDINGS_WITH_VARIANT_NAME,
                 p.hir_id,

src/test/ui/lint/lint-uppercase-variables.rs

@@ -20,19 +20,19 @@ fn main() {
 
     match foo::Foo::Foo {
         Foo => {}
-//~^ ERROR variable `Foo` should have a snake case name
-//~^^ WARN `Foo` is named the same as one of the variants of the type `Foo`
-//~^^^ WARN unused variable: `Foo`
+    //~^ ERROR variable `Foo` should have a snake case name
+    //~^^ WARN `Foo` is named the same as one of the variants of the type `foo::Foo`
+    //~^^^ WARN unused variable: `Foo`
     }
 
     let Foo = foo::Foo::Foo;
     //~^ ERROR variable `Foo` should have a snake case name
-    //~^^ WARN `Foo` is named the same as one of the variants of the type `Foo`
+    //~^^ WARN `Foo` is named the same as one of the variants of the type `foo::Foo`
     //~^^^ WARN unused variable: `Foo`
 
     fn in_param(Foo: foo::Foo) {}
     //~^ ERROR variable `Foo` should have a snake case name
-    //~^^ WARN `Foo` is named the same as one of the variants of the type `Foo`
+    //~^^ WARN `Foo` is named the same as one of the variants of the type `foo::Foo`
     //~^^^ WARN unused variable: `Foo`
 
     test(1);

src/test/ui/lint/lint-uppercase-variables.stderr

@@ -1,22 +1,22 @@
-warning[E0170]: pattern binding `Foo` is named the same as one of the variants of the type `Foo`
+warning[E0170]: pattern binding `Foo` is named the same as one of the variants of the type `foo::Foo`
   --> $DIR/lint-uppercase-variables.rs:22:9
    |
 LL |         Foo => {}
-   |         ^^^ help: to match on the variant, qualify the path: `Foo::Foo`
+   |         ^^^ help: to match on the variant, qualify the path: `foo::Foo::Foo`
    |
    = note: `#[warn(bindings_with_variant_name)]` on by default
 
-warning[E0170]: pattern binding `Foo` is named the same as one of the variants of the type `Foo`
+warning[E0170]: pattern binding `Foo` is named the same as one of the variants of the type `foo::Foo`
   --> $DIR/lint-uppercase-variables.rs:28:9
    |
 LL |     let Foo = foo::Foo::Foo;
-   |         ^^^ help: to match on the variant, qualify the path: `Foo::Foo`
+   |         ^^^ help: to match on the variant, qualify the path: `foo::Foo::Foo`
 
-warning[E0170]: pattern binding `Foo` is named the same as one of the variants of the type `Foo`
+warning[E0170]: pattern binding `Foo` is named the same as one of the variants of the type `foo::Foo`
   --> $DIR/lint-uppercase-variables.rs:33:17
    |
 LL |     fn in_param(Foo: foo::Foo) {}
-   |                 ^^^ help: to match on the variant, qualify the path: `Foo::Foo`
+   |                 ^^^ help: to match on the variant, qualify the path: `foo::Foo::Foo`
 
 warning: unused variable: `Foo`
   --> $DIR/lint-uppercase-variables.rs:22:9