fix: zig 0.14.0-dev.2643+fb43e91b2 fixes the tail call issue

README.md

@@ -31,7 +31,7 @@ A small/lightweight statically typed scripting language written in Zig
 
 ## How to build and install
 
-_Latest zig version supported: 0.14.0-dev.2634+b36ea592b_
+_Latest zig version supported: 0.14.0-dev.2643+fb43e91b2_
 
 ### Requirements
 - Since this is built with Zig, you should be able to build buzz on a wide variety of architectures even though this has only been tested on x86/M1.

build.zig

@@ -100,7 +100,7 @@ fn getBuzzPrefix(b: *Build) ![]const u8 {
 pub fn build(b: *Build) !void {
     // Check minimum zig version
     const current_zig = builtin.zig_version;
-    const min_zig = std.SemanticVersion.parse("0.14.0-dev.2634+b36ea592b") catch return;
+    const min_zig = std.SemanticVersion.parse("0.14.0-dev.2643+fb43e91b2") catch return;
     if (current_zig.order(min_zig).compare(.lt)) {
         @panic(b.fmt("Your Zig version v{} does not meet the minimum build requirement of v{}", .{ current_zig, min_zig }));
     }

src/vm.zig

@@ -17,8 +17,7 @@ const JIT = if (!is_wasm) @import("Jit.zig") else void;
 const Token = @import("Token.zig");
 const Reporter = @import("Reporter.zig");
 const FFI = if (!is_wasm) @import("FFI.zig") else void;
-// TODO: put back .always_tail once https://github.com/ziglang/zig/issues/22474 is fixed
-const dispatch_call_modifier: std.builtin.CallModifier = .auto; //if (!is_wasm) .always_tail else .auto;
+const dispatch_call_modifier: std.builtin.CallModifier = if (!is_wasm) .always_tail else .auto;
 const io = @import("io.zig");
 
 const ObjType = _obj.ObjType;