Commit 9ca69c51e7

@@ -929,7 +929,9 @@ pub fn create(gpa: *Allocator, options: InitOptions) !*Compilation {
                 if (!use_lld and !options.target.isDarwin())
                     return error.LtoUnavailableWithoutLld;
                 break :blk explicit;
-            } else if (!use_lld and !options.target.isDarwin()) {
+            } else if (!use_lld) {
+                // TODO zig ld LTO support
+                // See https://github.com/ziglang/zig/issues/8680
                 break :blk false;
             } else if (options.c_source_files.len == 0) {
                 break :blk false;

@@ -1648,7 +1648,13 @@ fn buildOutputType(
 
     if (use_lld) |opt| {
         if (opt and cross_target.isDarwin()) {
-            fatal("-fLLD requested with Mach-O object format. Only the self-hosted linker is supported for this target.", .{});
+            fatal("LLD requested with Mach-O object format. Only the self-hosted linker is supported for this target.", .{});
+        }
+    }
+
+    if (want_lto) |opt| {
+        if (opt and cross_target.isDarwin()) {
+            fatal("LTO is not yet supported with the Mach-O object format. More details: https://github.com/ziglang/zig/issues/8680", .{});
         }
     }