Unable to spawn glslc: InvalidName

[dawnarc]

Build failed using zig master on Windows.

D:\workspace\zigdev\zig-vulkan-triangle>zig build run
Unable to spawn glslc: InvalidName
error: InvalidName
D:\workspace\zigdev\zig\build-release\lib\zig\std\os\windows.zig:440:37: 0x7ff6c402ca89 in std.os.windows.CreateDirectoryW (build.obj)
            ERROR.ALREADY_EXISTS => return error.PathAlreadyExists,
                                    ^
D:\workspace\zigdev\zig\build-release\lib\zig\std\os.zig:1075:9: 0x7ff6c402c9fc in std.os.mkdir (build.obj)
        return windows.CreateDirectoryW(&dir_path_w, null);
        ^
D:\workspace\zigdev\zig\build-release\lib\zig\std\fs.zig:273:5: 0x7ff6c402c8eb in std.fs.makeDir (build.obj)
    return os.mkdir(dir_path, default_new_dir_mode);
    ^
D:\workspace\zigdev\zig\build-release\lib\zig\std\os\windows.zig:704:37: 0x7ff6c4047d35 in std.os.windows.CreateProcessW (build.obj)
            ERROR.FILE_NOT_FOUND => return error.FileNotFound,
                                    ^
D:\workspace\zigdev\zig\build-release\lib\zig\std\child_process.zig:634:5: 0x7ff6c40474ac in std.child_process.windowsCreateProcess (build.obj)
    return windows.CreateProcessW(
    ^
D:\workspace\zigdev\zig\build-release\lib\zig\std\os\windows.zig:708:35: 0x7ff6c4047daa in std.os.windows.CreateProcessW (build.obj)
            ERROR.INVALID_NAME => return error.InvalidName,
                                  ^
D:\workspace\zigdev\zig\build-release\lib\zig\std\child_process.zig:634:5: 0x7ff6c40474ac in std.child_process.windowsCreateProcess (build.obj)
    return windows.CreateProcessW(
    ^
D:\workspace\zigdev\zig\build-release\lib\zig\std\child_process.zig:567:33: 0x7ff6c4045ab5 in std.child_process.ChildProcess::std.child_process.ChildProcess.spawnWindows (build.obj)
                        else => return err,
                                ^
D:\workspace\zigdev\zig\build-release\lib\zig\std\child_process.zig:107:13: 0x7ff6c404347d in std.child_process.ChildProcess::std.child_process.ChildProcess.spawn (build.obj)
            return self.spawnWindows();
            ^
D:\workspace\zigdev\zig\build-release\lib\zig\std\child_process.zig:114:9: 0x7ff6c4042eeb in std.child_process.ChildProcess::std.child_process.ChildProcess.spawnAndWait (build.obj)
        try self.spawn();
        ^
D:\workspace\zigdev\zig\build-release\lib\zig\std\build.zig:688:13: 0x7ff6c403e12a in std.build.Builder::std.build.Builder.spawnChildEnvMap (build.obj)
            return err;
            ^
D:\workspace\zigdev\zig\build-release\lib\zig\std\build.zig:2069:9: 0x7ff6c4037202 in std.build.RunStep::std.build.RunStep.make (build.obj)
        return self.builder.spawnChildEnvMap(cwd, self.env_map orelse self.builder.env_map, argv.toSliceConst());
        ^
D:\workspace\zigdev\zig\build-release\lib\zig\std\build.zig:2323:9: 0x7ff6c402d5b5 in std.build.Step::std.build.Step.make (build.obj)
        try self.makeFn(self);
        ^
D:\workspace\zigdev\zig\build-release\lib\zig\std\build.zig:346:9: 0x7ff6c402c417 in std.build.Builder::std.build.Builder.makeOneStep (build.obj)
        try s.make();
        ^
D:\workspace\zigdev\zig\build-release\lib\zig\std\build.zig:340:17: 0x7ff6c402c3c4 in std.build.Builder::std.build.Builder.makeOneStep (build.obj)
                return err;
                ^
D:\workspace\zigdev\zig\build-release\lib\zig\std\build.zig:340:17: 0x7ff6c402c3c4 in std.build.Builder::std.build.Builder.makeOneStep (build.obj)
                return err;
                ^
D:\workspace\zigdev\zig\build-release\lib\zig\std\build.zig:340:17: 0x7ff6c402c3c4 in std.build.Builder::std.build.Builder.makeOneStep (build.obj)
                return err;
                ^
D:\workspace\zigdev\zig\build-release\lib\zig\std\build.zig:301:13: 0x7ff6c4024e8f in std.build.Builder::std.build.Builder.make (build.obj)
            try self.makeOneStep(s);
            ^
D:\workspace\zigdev\zig\build-release\lib\zig\std\special\build_runner.zig:138:21: 0x7ff6c40229a4 in main (build.obj)
            else => return err,
                    ^

Build failed. The following command failed:
D:\workspace\zigdev\zig-vulkan-triangle\zig-cache\o\kZpaL_TaxEzaA9zh0tfZVNHXqFge3tIuWlygUCTkxWKbALxOJyz6z2122eXxsPRb\build.exe D:\workspace\zigdev\zig\build-release\bin\zig.exe D:\workspace\zigdev\zig-vulkan-triangle D:\workspace\zigdev\zig-vulkan-triangle\zig-cache run