update_cpu_features tool: work around stage1 bug

This works around a stage1 compiler bug resulting in a segfault when
trying to use the tool.

1 files changed, 8 insertions, 9 deletions

diff --git a/tools/update_cpu_features.zig b/tools/update_cpu_features.zig
index e01cd62ed9..34cf6c59b6 100644
--- a/tools/update_cpu_features.zig
+++ b/tools/update_cpu_features.zig
@@ -818,15 +818,14 @@ pub fn main() anyerror!void {
     } else {
         var threads = try arena.alloc(std.Thread, llvm_targets.len);
         for (llvm_targets) |llvm_target, i| {
-            threads[i] = try std.Thread.spawn(.{}, processOneTarget, .{
-                Job{
-                    .llvm_tblgen_exe = llvm_tblgen_exe,
-                    .llvm_src_root = llvm_src_root,
-                    .zig_src_dir = zig_src_dir,
-                    .root_progress = root_progress,
-                    .llvm_target = llvm_target,
-                },
-            });
+            const job = Job{
+                .llvm_tblgen_exe = llvm_tblgen_exe,
+                .llvm_src_root = llvm_src_root,
+                .zig_src_dir = zig_src_dir,
+                .root_progress = root_progress,
+                .llvm_target = llvm_target,
+            };
+            threads[i] = try std.Thread.spawn(.{}, processOneTarget, .{job});
         }
         for (threads) |thread| {
             thread.join();