Replace deprecated default initializations with decl literals

Author: linusg

doc/langref/wasi_args.zig

@@ -1,7 +1,7 @@
 const std = @import("std");
 
 pub fn main() !void {
-    var general_purpose_allocator = std.heap.GeneralPurposeAllocator(.{}){};
+    var general_purpose_allocator: std.heap.GeneralPurposeAllocator(.{}) = .init;
     const gpa = general_purpose_allocator.allocator();
     const args = try std.process.argsAlloc(gpa);
     defer std.process.argsFree(gpa, args);

doc/langref/wasi_preopens.zig

@@ -2,7 +2,7 @@ const std = @import("std");
 const fs = std.fs;
 
 pub fn main() !void {
-    var general_purpose_allocator = std.heap.GeneralPurposeAllocator(.{}){};
+    var general_purpose_allocator: std.heap.GeneralPurposeAllocator(.{}) = .init;
     const gpa = general_purpose_allocator.allocator();
 
     var arena_instance = std.heap.ArenaAllocator.init(gpa);

lib/compiler/aro/aro/CodeGen.zig

@@ -42,11 +42,11 @@ node_tag: []const Tree.Tag,
 node_data: []const Tree.Node.Data,
 node_ty: []const Type,
 wip_switch: *WipSwitch = undefined,
-symbols: std.ArrayListUnmanaged(Symbol) = .{},
-ret_nodes: std.ArrayListUnmanaged(Ir.Inst.Phi.Input) = .{},
-phi_nodes: std.ArrayListUnmanaged(Ir.Inst.Phi.Input) = .{},
-record_elem_buf: std.ArrayListUnmanaged(Interner.Ref) = .{},
-record_cache: std.AutoHashMapUnmanaged(*Type.Record, Interner.Ref) = .{},
+symbols: std.ArrayListUnmanaged(Symbol) = .empty,
+ret_nodes: std.ArrayListUnmanaged(Ir.Inst.Phi.Input) = .empty,
+phi_nodes: std.ArrayListUnmanaged(Ir.Inst.Phi.Input) = .empty,
+record_elem_buf: std.ArrayListUnmanaged(Interner.Ref) = .empty,
+record_cache: std.AutoHashMapUnmanaged(*Type.Record, Interner.Ref) = .empty,
 cond_dummy_ty: ?Interner.Ref = null,
 bool_invert: bool = false,
 bool_end_label: Ir.Ref = .none,

lib/compiler/aro/aro/Compilation.zig

@@ -93,13 +93,13 @@ gpa: Allocator,
 diagnostics: Diagnostics,
 
 environment: Environment = .{},
-sources: std.StringArrayHashMapUnmanaged(Source) = .{},
-include_dirs: std.ArrayListUnmanaged([]const u8) = .{},
-system_include_dirs: std.ArrayListUnmanaged([]const u8) = .{},
+sources: std.StringArrayHashMapUnmanaged(Source) = .empty,
+include_dirs: std.ArrayListUnmanaged([]const u8) = .empty,
+system_include_dirs: std.ArrayListUnmanaged([]const u8) = .empty,
 target: std.Target = @import("builtin").target,
-pragma_handlers: std.StringArrayHashMapUnmanaged(*Pragma) = .{},
+pragma_handlers: std.StringArrayHashMapUnmanaged(*Pragma) = .empty,
 langopts: LangOpts = .{},
-generated_buf: std.ArrayListUnmanaged(u8) = .{},
+generated_buf: std.ArrayListUnmanaged(u8) = .empty,
 builtins: Builtins = .{},
 types: struct {
     wchar: Type = undefined,

lib/compiler/aro/aro/Diagnostics.zig

@@ -214,7 +214,7 @@ pub const Options = struct {
 
 const Diagnostics = @This();
 
-list: std.ArrayListUnmanaged(Message) = .{},
+list: std.ArrayListUnmanaged(Message) = .empty,
 arena: std.heap.ArenaAllocator,
 fatal_errors: bool = false,
 options: Options = .{},

lib/compiler/aro/aro/Driver.zig

@@ -25,8 +25,8 @@ pub const Linker = enum {
 const Driver = @This();
 
 comp: *Compilation,
-inputs: std.ArrayListUnmanaged(Source) = .{},
-link_objects: std.ArrayListUnmanaged([]const u8) = .{},
+inputs: std.ArrayListUnmanaged(Source) = .empty,
+link_objects: std.ArrayListUnmanaged([]const u8) = .empty,
 output_name: ?[]const u8 = null,
 sysroot: ?[]const u8 = null,
 system_defines: Compilation.SystemDefinesMode = .include_system_defines,

lib/compiler/aro/aro/Hideset.zig

@@ -51,10 +51,10 @@ const Index = enum(u32) {
     _,
 };
 
-map: std.AutoHashMapUnmanaged(Identifier, Index) = .{},
+map: std.AutoHashMapUnmanaged(Identifier, Index) = .empty,
 /// Used for computing intersection of two lists; stored here so that allocations can be retained
 /// until hideset is deinit'ed
-intersection_map: std.AutoHashMapUnmanaged(Identifier, void) = .{},
+intersection_map: std.AutoHashMapUnmanaged(Identifier, void) = .empty,
 linked_list: Item.List = .{},
 comp: *const Compilation,
 

lib/compiler/aro/aro/InitList.zig

@@ -23,7 +23,7 @@ const Item = struct {
 
 const InitList = @This();
 
-list: std.ArrayListUnmanaged(Item) = .{},
+list: std.ArrayListUnmanaged(Item) = .empty,
 node: NodeIndex = .none,
 tok: TokenIndex = 0,
 

lib/compiler/aro/aro/Parser.zig

@@ -108,15 +108,15 @@ param_buf: std.ArrayList(Type.Func.Param),
 enum_buf: std.ArrayList(Type.Enum.Field),
 record_buf: std.ArrayList(Type.Record.Field),
 attr_buf: std.MultiArrayList(TentativeAttribute) = .{},
-attr_application_buf: std.ArrayListUnmanaged(Attribute) = .{},
+attr_application_buf: std.ArrayListUnmanaged(Attribute) = .empty,
 field_attr_buf: std.ArrayList([]const Attribute),
 /// type name -> variable name location for tentative definitions (top-level defs with thus-far-incomplete types)
 /// e.g. `struct Foo bar;` where `struct Foo` is not defined yet.
 /// The key is the StringId of `Foo` and the value is the TokenIndex of `bar`
 /// Items are removed if the type is subsequently completed with a definition.
 /// We only store the first tentative definition that uses a given type because this map is only used
 /// for issuing an error message, and correcting the first error for a type will fix all of them for that type.
-tentative_defs: std.AutoHashMapUnmanaged(StringId, TokenIndex) = .{},
+tentative_defs: std.AutoHashMapUnmanaged(StringId, TokenIndex) = .empty,
 
 // configuration and miscellaneous info
 no_eval: bool = false,
@@ -169,7 +169,7 @@ record: struct {
         }
     }
 } = .{},
-record_members: std.ArrayListUnmanaged(struct { tok: TokenIndex, name: StringId }) = .{},
+record_members: std.ArrayListUnmanaged(struct { tok: TokenIndex, name: StringId }) = .empty,
 @"switch": ?*Switch = null,
 in_loop: bool = false,
 pragma_pack: ?u8 = null,

lib/compiler/aro/aro/Preprocessor.zig

@@ -95,7 +95,7 @@ counter: u32 = 0,
 expansion_source_loc: Source.Location = undefined,
 poisoned_identifiers: std.StringHashMap(void),
 /// Map from Source.Id to macro name in the `#ifndef` condition which guards the source, if any
-include_guards: std.AutoHashMapUnmanaged(Source.Id, []const u8) = .{},
+include_guards: std.AutoHashMapUnmanaged(Source.Id, []const u8) = .empty,
 
 /// Memory is retained to avoid allocation on every single token.
 top_expansion_buf: ExpandBuf,