Use `ThinVec` in various AST types.

This commit changes the sequence parsers to produce `ThinVec`, which
triggers numerous conversions.

2 files changed, 80 insertions, 80 deletions

diff --git a/tests/ui-fulldeps/pprust-expr-roundtrip.rs b/tests/ui-fulldeps/pprust-expr-roundtrip.rs
index 7a91dcf0dad..1f0e96b954b 100644
--- a/tests/ui-fulldeps/pprust-expr-roundtrip.rs
+++ b/tests/ui-fulldeps/pprust-expr-roundtrip.rs
@@ -76,17 +76,17 @@ fn iter_exprs(depth: usize, f: &mut dyn FnMut(P<Expr>)) {
     for kind in 0..=19 {
         match kind {
             0 => iter_exprs(depth - 1, &mut |e| g(ExprKind::Box(e))),
-            1 => iter_exprs(depth - 1, &mut |e| g(ExprKind::Call(e, vec![]))),
+            1 => iter_exprs(depth - 1, &mut |e| g(ExprKind::Call(e, thin_vec![]))),
             2 => {
                 let seg = PathSegment::from_ident(Ident::from_str("x"));
                 iter_exprs(depth - 1, &mut |e| {
                     g(ExprKind::MethodCall(Box::new(MethodCall {
-                        seg: seg.clone(), receiver: e, args: vec![make_x()], span: DUMMY_SP
+                        seg: seg.clone(), receiver: e, args: thin_vec![make_x()], span: DUMMY_SP
                     }))
                 )});
                 iter_exprs(depth - 1, &mut |e| {
                     g(ExprKind::MethodCall(Box::new(MethodCall {
-                        seg: seg.clone(), receiver: make_x(), args: vec![e], span: DUMMY_SP
+                        seg: seg.clone(), receiver: make_x(), args: thin_vec![e], span: DUMMY_SP
                     }))
                 )});
             }
@@ -121,7 +121,7 @@ fn iter_exprs(depth: usize, f: &mut dyn FnMut(P<Expr>)) {
                 iter_exprs(depth - 1, &mut |e| g(ExprKind::If(e, block.clone(), None)));
             }
             11 => {
-                let decl = P(FnDecl { inputs: vec![], output: FnRetTy::Default(DUMMY_SP) });
+                let decl = P(FnDecl { inputs: thin_vec![], output: FnRetTy::Default(DUMMY_SP) });
                 iter_exprs(depth - 1, &mut |e| {
                     g(ExprKind::Closure(Box::new(Closure {
                         binder: ClosureBinder::NotPresent,
diff --git a/tests/ui/stats/hir-stats.stderr b/tests/ui/stats/hir-stats.stderr
index 47d3382fc64..a46d725b94b 100644
--- a/tests/ui/stats/hir-stats.stderr
+++ b/tests/ui/stats/hir-stats.stderr
@@ -1,119 +1,119 @@
 ast-stats-1 PRE EXPANSION AST STATS
 ast-stats-1 Name                Accumulated Size         Count     Item Size
 ast-stats-1 ----------------------------------------------------------------
+ast-stats-1 GenericArgs               40 ( 0.6%)             1            40
+ast-stats-1 - AngleBracketed            40 ( 0.6%)             1
 ast-stats-1 ExprField                 48 ( 0.7%)             1            48
 ast-stats-1 WherePredicate            56 ( 0.8%)             1            56
 ast-stats-1 - BoundPredicate            56 ( 0.8%)             1
-ast-stats-1 GenericArgs               56 ( 0.8%)             1            56
-ast-stats-1 - AngleBracketed            56 ( 0.8%)             1
 ast-stats-1 Crate                     56 ( 0.8%)             1            56
 ast-stats-1 Attribute                 64 ( 0.9%)             2            32
 ast-stats-1 - Normal                    32 ( 0.5%)             1
 ast-stats-1 - DocComment                32 ( 0.5%)             1
-ast-stats-1 Local                     72 ( 1.0%)             1            72
+ast-stats-1 Local                     72 ( 1.1%)             1            72
 ast-stats-1 Arm                       96 ( 1.4%)             2            48
 ast-stats-1 ForeignItem               96 ( 1.4%)             1            96
 ast-stats-1 - Fn                        96 ( 1.4%)             1
+ast-stats-1 FnDecl                   120 ( 1.8%)             5            24
 ast-stats-1 FieldDef                 160 ( 2.3%)             2            80
 ast-stats-1 Stmt                     160 ( 2.3%)             5            32
 ast-stats-1 - Local                     32 ( 0.5%)             1
 ast-stats-1 - MacCall                   32 ( 0.5%)             1
 ast-stats-1 - Expr                      96 ( 1.4%)             3
 ast-stats-1 Param                    160 ( 2.3%)             4            40
-ast-stats-1 FnDecl                   200 ( 2.8%)             5            40
-ast-stats-1 GenericBound             224 ( 3.2%)             4            56
-ast-stats-1 - Trait                    224 ( 3.2%)             4
-ast-stats-1 Variant                  240 ( 3.4%)             2           120
-ast-stats-1 Block                    288 ( 4.1%)             6            48
-ast-stats-1 AssocItem                416 ( 5.9%)             4           104
+ast-stats-1 Variant                  208 ( 3.0%)             2           104
+ast-stats-1 GenericBound             224 ( 3.3%)             4            56
+ast-stats-1 - Trait                    224 ( 3.3%)             4
+ast-stats-1 Block                    288 ( 4.2%)             6            48
+ast-stats-1 AssocItem                416 ( 6.1%)             4           104
 ast-stats-1 - Type                     208 ( 3.0%)             2
 ast-stats-1 - Fn                       208 ( 3.0%)             2
-ast-stats-1 GenericParam             480 ( 6.8%)             5            96
-ast-stats-1 Expr                     576 ( 8.2%)             8            72
-ast-stats-1 - Path                      72 ( 1.0%)             1
-ast-stats-1 - Match                     72 ( 1.0%)             1
-ast-stats-1 - Struct                    72 ( 1.0%)             1
-ast-stats-1 - Lit                      144 ( 2.0%)             2
-ast-stats-1 - Block                    216 ( 3.1%)             3
-ast-stats-1 Pat                      616 ( 8.7%)             7            88
-ast-stats-1 - Struct                    88 ( 1.2%)             1
-ast-stats-1 - Wild                      88 ( 1.2%)             1
-ast-stats-1 - Ident                    440 ( 6.2%)             5
-ast-stats-1 PathSegment              720 (10.2%)            30            24
-ast-stats-1 Ty                       896 (12.7%)            14            64
+ast-stats-1 GenericParam             480 ( 7.0%)             5            96
+ast-stats-1 Expr                     576 ( 8.4%)             8            72
+ast-stats-1 - Path                      72 ( 1.1%)             1
+ast-stats-1 - Match                     72 ( 1.1%)             1
+ast-stats-1 - Struct                    72 ( 1.1%)             1
+ast-stats-1 - Lit                      144 ( 2.1%)             2
+ast-stats-1 - Block                    216 ( 3.2%)             3
+ast-stats-1 Pat                      616 ( 9.0%)             7            88
+ast-stats-1 - Struct                    88 ( 1.3%)             1
+ast-stats-1 - Wild                      88 ( 1.3%)             1
+ast-stats-1 - Ident                    440 ( 6.4%)             5
+ast-stats-1 PathSegment              720 (10.5%)            30            24
+ast-stats-1 Ty                       896 (13.1%)            14            64
 ast-stats-1 - Ptr                       64 ( 0.9%)             1
 ast-stats-1 - Ref                       64 ( 0.9%)             1
-ast-stats-1 - ImplicitSelf             128 ( 1.8%)             2
-ast-stats-1 - Path                     640 ( 9.1%)            10
-ast-stats-1 Item                   1_368 (19.4%)             9           152
-ast-stats-1 - Trait                    152 ( 2.2%)             1
-ast-stats-1 - Enum                     152 ( 2.2%)             1
-ast-stats-1 - ForeignMod               152 ( 2.2%)             1
-ast-stats-1 - Impl                     152 ( 2.2%)             1
-ast-stats-1 - Fn                       304 ( 4.3%)             2
-ast-stats-1 - Use                      456 ( 6.5%)             3
+ast-stats-1 - ImplicitSelf             128 ( 1.9%)             2
+ast-stats-1 - Path                     640 ( 9.3%)            10
+ast-stats-1 Item                   1_296 (18.9%)             9           144
+ast-stats-1 - Trait                    144 ( 2.1%)             1
+ast-stats-1 - Enum                     144 ( 2.1%)             1
+ast-stats-1 - ForeignMod               144 ( 2.1%)             1
+ast-stats-1 - Impl                     144 ( 2.1%)             1
+ast-stats-1 - Fn                       288 ( 4.2%)             2
+ast-stats-1 - Use                      432 ( 6.3%)             3
 ast-stats-1 ----------------------------------------------------------------
-ast-stats-1 Total                  7_048
+ast-stats-1 Total                  6_848
 ast-stats-1
 ast-stats-2 POST EXPANSION AST STATS
 ast-stats-2 Name                Accumulated Size         Count     Item Size
 ast-stats-2 ----------------------------------------------------------------
+ast-stats-2 GenericArgs               40 ( 0.5%)             1            40
+ast-stats-2 - AngleBracketed            40 ( 0.5%)             1
 ast-stats-2 ExprField                 48 ( 0.6%)             1            48
-ast-stats-2 WherePredicate            56 ( 0.7%)             1            56
-ast-stats-2 - BoundPredicate            56 ( 0.7%)             1
-ast-stats-2 GenericArgs               56 ( 0.7%)             1            56
-ast-stats-2 - AngleBracketed            56 ( 0.7%)             1
-ast-stats-2 Crate                     56 ( 0.7%)             1            56
-ast-stats-2 Local                     72 ( 0.9%)             1            72
-ast-stats-2 Arm                       96 ( 1.2%)             2            48
-ast-stats-2 ForeignItem               96 ( 1.2%)             1            96
-ast-stats-2 - Fn                        96 ( 1.2%)             1
+ast-stats-2 WherePredicate            56 ( 0.8%)             1            56
+ast-stats-2 - BoundPredicate            56 ( 0.8%)             1
+ast-stats-2 Crate                     56 ( 0.8%)             1            56
+ast-stats-2 Local                     72 ( 1.0%)             1            72
+ast-stats-2 Arm                       96 ( 1.3%)             2            48
+ast-stats-2 ForeignItem               96 ( 1.3%)             1            96
+ast-stats-2 - Fn                        96 ( 1.3%)             1
 ast-stats-2 InlineAsm                120 ( 1.6%)             1           120
+ast-stats-2 FnDecl                   120 ( 1.6%)             5            24
 ast-stats-2 Attribute                128 ( 1.7%)             4            32
 ast-stats-2 - DocComment                32 ( 0.4%)             1
-ast-stats-2 - Normal                    96 ( 1.2%)             3
+ast-stats-2 - Normal                    96 ( 1.3%)             3
 ast-stats-2 FieldDef                 160 ( 2.1%)             2            80
 ast-stats-2 Stmt                     160 ( 2.1%)             5            32
 ast-stats-2 - Local                     32 ( 0.4%)             1
 ast-stats-2 - Semi                      32 ( 0.4%)             1
-ast-stats-2 - Expr                      96 ( 1.2%)             3
+ast-stats-2 - Expr                      96 ( 1.3%)             3
 ast-stats-2 Param                    160 ( 2.1%)             4            40
-ast-stats-2 FnDecl                   200 ( 2.6%)             5            40
-ast-stats-2 GenericBound             224 ( 2.9%)             4            56
-ast-stats-2 - Trait                    224 ( 2.9%)             4
-ast-stats-2 Variant                  240 ( 3.1%)             2           120
-ast-stats-2 Block                    288 ( 3.8%)             6            48
-ast-stats-2 AssocItem                416 ( 5.4%)             4           104
-ast-stats-2 - Type                     208 ( 2.7%)             2
-ast-stats-2 - Fn                       208 ( 2.7%)             2
-ast-stats-2 GenericParam             480 ( 6.2%)             5            96
-ast-stats-2 Pat                      616 ( 8.0%)             7            88
-ast-stats-2 - Struct                    88 ( 1.1%)             1
-ast-stats-2 - Wild                      88 ( 1.1%)             1
-ast-stats-2 - Ident                    440 ( 5.7%)             5
-ast-stats-2 Expr                     648 ( 8.4%)             9            72
-ast-stats-2 - Path                      72 ( 0.9%)             1
-ast-stats-2 - Match                     72 ( 0.9%)             1
-ast-stats-2 - Struct                    72 ( 0.9%)             1
-ast-stats-2 - InlineAsm                 72 ( 0.9%)             1
+ast-stats-2 Variant                  208 ( 2.8%)             2           104
+ast-stats-2 GenericBound             224 ( 3.0%)             4            56
+ast-stats-2 - Trait                    224 ( 3.0%)             4
+ast-stats-2 Block                    288 ( 3.9%)             6            48
+ast-stats-2 AssocItem                416 ( 5.6%)             4           104
+ast-stats-2 - Type                     208 ( 2.8%)             2
+ast-stats-2 - Fn                       208 ( 2.8%)             2
+ast-stats-2 GenericParam             480 ( 6.4%)             5            96
+ast-stats-2 Pat                      616 ( 8.3%)             7            88
+ast-stats-2 - Struct                    88 ( 1.2%)             1
+ast-stats-2 - Wild                      88 ( 1.2%)             1
+ast-stats-2 - Ident                    440 ( 5.9%)             5
+ast-stats-2 Expr                     648 ( 8.7%)             9            72
+ast-stats-2 - Path                      72 ( 1.0%)             1
+ast-stats-2 - Match                     72 ( 1.0%)             1
+ast-stats-2 - Struct                    72 ( 1.0%)             1
+ast-stats-2 - InlineAsm                 72 ( 1.0%)             1
 ast-stats-2 - Lit                      144 ( 1.9%)             2
-ast-stats-2 - Block                    216 ( 2.8%)             3
-ast-stats-2 PathSegment              792 (10.3%)            33            24
-ast-stats-2 Ty                       896 (11.7%)            14            64
-ast-stats-2 - Ptr                       64 ( 0.8%)             1
-ast-stats-2 - Ref                       64 ( 0.8%)             1
+ast-stats-2 - Block                    216 ( 2.9%)             3
+ast-stats-2 PathSegment              792 (10.6%)            33            24
+ast-stats-2 Ty                       896 (12.0%)            14            64
+ast-stats-2 - Ptr                       64 ( 0.9%)             1
+ast-stats-2 - Ref                       64 ( 0.9%)             1
 ast-stats-2 - ImplicitSelf             128 ( 1.7%)             2
-ast-stats-2 - Path                     640 ( 8.3%)            10
-ast-stats-2 Item                   1_672 (21.8%)            11           152
-ast-stats-2 - Trait                    152 ( 2.0%)             1
-ast-stats-2 - Enum                     152 ( 2.0%)             1
-ast-stats-2 - ExternCrate              152 ( 2.0%)             1
-ast-stats-2 - ForeignMod               152 ( 2.0%)             1
-ast-stats-2 - Impl                     152 ( 2.0%)             1
-ast-stats-2 - Fn                       304 ( 4.0%)             2
-ast-stats-2 - Use                      608 ( 7.9%)             4
+ast-stats-2 - Path                     640 ( 8.6%)            10
+ast-stats-2 Item                   1_584 (21.2%)            11           144
+ast-stats-2 - Trait                    144 ( 1.9%)             1
+ast-stats-2 - Enum                     144 ( 1.9%)             1
+ast-stats-2 - ExternCrate              144 ( 1.9%)             1
+ast-stats-2 - ForeignMod               144 ( 1.9%)             1
+ast-stats-2 - Impl                     144 ( 1.9%)             1
+ast-stats-2 - Fn                       288 ( 3.9%)             2
+ast-stats-2 - Use                      576 ( 7.7%)             4
 ast-stats-2 ----------------------------------------------------------------
-ast-stats-2 Total                  7_680
+ast-stats-2 Total                  7_464
 ast-stats-2
 hir-stats HIR STATS
 hir-stats Name                Accumulated Size         Count     Item Size