rust-analyzer: use in-tree pattern_analysis crate

Author: Nadrieril

src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/match_check/pat_analysis.rs

@@ -307,7 +307,8 @@ impl<'db> MatchCheckCtx<'db> {
             &Str(void) => match void {},
             Wildcard | NonExhaustive | Hidden | PrivateUninhabited => PatKind::Wild,
             Never => PatKind::Never,
-            Missing | F32Range(..) | F64Range(..) | Opaque(..) | Or => {
+            Missing | F16Range(..) | F32Range(..) | F64Range(..) | F128Range(..) | Opaque(..)
+            | Or => {
                 never!("can't convert to pattern: {:?}", pat.ctor());
                 PatKind::Wild
             }
@@ -356,8 +357,9 @@ impl<'db> PatCx for MatchCheckCtx<'db> {
             },
             Ref => 1,
             Slice(..) => unimplemented!(),
-            Never | Bool(..) | IntRange(..) | F32Range(..) | F64Range(..) | Str(..)
-            | Opaque(..) | NonExhaustive | PrivateUninhabited | Hidden | Missing | Wildcard => 0,
+            Never | Bool(..) | IntRange(..) | F16Range(..) | F32Range(..) | F64Range(..)
+            | F128Range(..) | Str(..) | Opaque(..) | NonExhaustive | PrivateUninhabited
+            | Hidden | Missing | Wildcard => 0,
             Or => {
                 never!("The `Or` constructor doesn't have a fixed arity");
                 0
@@ -419,8 +421,9 @@ impl<'db> PatCx for MatchCheckCtx<'db> {
                 }
             },
             Slice(_) => unreachable!("Found a `Slice` constructor in match checking"),
-            Never | Bool(..) | IntRange(..) | F32Range(..) | F64Range(..) | Str(..)
-            | Opaque(..) | NonExhaustive | PrivateUninhabited | Hidden | Missing | Wildcard => {
+            Never | Bool(..) | IntRange(..) | F16Range(..) | F32Range(..) | F64Range(..)
+            | F128Range(..) | Str(..) | Opaque(..) | NonExhaustive | PrivateUninhabited
+            | Hidden | Missing | Wildcard => {
                 smallvec![]
             }
             Or => {

src/tools/rust-analyzer/crates/hir-ty/src/lib.rs

@@ -15,8 +15,10 @@ extern crate rustc_abi;
 #[cfg(not(feature = "in-rust-tree"))]
 extern crate ra_ap_rustc_abi as rustc_abi;
 
-// Use the crates.io version unconditionally until the API settles enough that we can switch to
-// using the in-tree one.
+#[cfg(feature = "in-rust-tree")]
+extern crate rustc_pattern_analysis;
+
+#[cfg(not(feature = "in-rust-tree"))]
 extern crate ra_ap_rustc_pattern_analysis as rustc_pattern_analysis;
 
 mod builder;