work around more CI failures

Author: Rexicon226

lib/ubsan_rt.zig

@@ -126,6 +126,11 @@ const Value = extern struct {
     ) !void {
         comptime assert(fmt.len == 0);
 
+        if (builtin.zig_backend == .stage2_x86_64 and builtin.os.tag == .windows) {
+            try writer.writeAll("(unknown)");
+            return;
+        }
+
         switch (value.td.kind) {
             .integer => {
                 if (value.td.isSigned()) {
@@ -626,22 +631,24 @@ fn exportHandler(
     handler: anytype,
     comptime sym_name: []const u8,
 ) void {
+    const linkage = if (builtin.zig_backend == .stage2_x86_64 and builtin.os.tag == .windows) .internal else .weak;
     const N = "__ubsan_handle_" ++ sym_name;
-    @export(handler, .{ .name = N, .linkage = .weak });
+    @export(handler, .{ .name = N, .linkage = linkage });
 }
 
 fn exportHandlerWithAbort(
     handler: anytype,
     abort_handler: anytype,
     comptime sym_name: []const u8,
 ) void {
+    const linkage = if (builtin.zig_backend == .stage2_x86_64 and builtin.os.tag == .windows) .internal else .weak;
     {
         const N = "__ubsan_handle_" ++ sym_name;
-        @export(handler, .{ .name = N, .linkage = .weak });
+        @export(handler, .{ .name = N, .linkage = linkage });
     }
     {
         const N = "__ubsan_handle_" ++ sym_name ++ "_abort";
-        @export(abort_handler, .{ .name = N, .linkage = .weak });
+        @export(abort_handler, .{ .name = N, .linkage = linkage });
     }
 }
 

test/link/wasm/export/build.zig

@@ -19,6 +19,7 @@ fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.Optimize
     no_export.entry = .disabled;
     no_export.use_llvm = false;
     no_export.use_lld = false;
+    no_export.bundle_ubsan_rt = false;
 
     const dynamic_export = b.addExecutable(.{
         .name = "dynamic",

test/link/wasm/function-table/build.zig

@@ -21,6 +21,7 @@ fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.Optimize
     export_table.use_lld = false;
     export_table.export_table = true;
     export_table.link_gc_sections = false;
+    export_table.bundle_ubsan_rt = false;
 
     const regular_table = b.addExecutable(.{
         .name = "regular_table",
@@ -34,6 +35,7 @@ fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.Optimize
     regular_table.use_llvm = false;
     regular_table.use_lld = false;
     regular_table.link_gc_sections = false; // Ensure function table is not empty
+    regular_table.bundle_ubsan_rt = false;
 
     const check_export = export_table.checkObject();
     const check_regular = regular_table.checkObject();

test/link/wasm/shared-memory/build.zig

@@ -31,6 +31,7 @@ fn add(b: *std.Build, test_step: *std.Build.Step, optimize_mode: std.builtin.Opt
     exe.shared_memory = true;
     exe.max_memory = 67108864;
     exe.root_module.export_symbol_names = &.{"foo"};
+    exe.bundle_ubsan_rt = false;
 
     const check_exe = exe.checkObject();
 

test/link/wasm/type/build.zig

@@ -21,6 +21,7 @@ fn add(b: *std.Build, test_step: *std.Build.Step, optimize: std.builtin.Optimize
     exe.use_llvm = false;
     exe.use_lld = false;
     exe.root_module.export_symbol_names = &.{"foo"};
+    exe.bundle_ubsan_rt = false;
     b.installArtifact(exe);
 
     const check_exe = exe.checkObject();