Add handler for INVALID_HANDLE to prevent infinite loop when stderr is not available.

lib/std/os/windows.zig

@@ -469,6 +469,7 @@ pub const WriteFileError = error{
     SystemResources,
     OperationAborted,
     BrokenPipe,
+    InvalidFd,
     Unexpected,
 };
 
@@ -542,6 +543,7 @@ pub fn WriteFile(
                 .NOT_ENOUGH_QUOTA => return error.SystemResources,
                 .IO_PENDING => unreachable,
                 .BROKEN_PIPE => return error.BrokenPipe,
+                .INVALID_HANDLE => return error.NotOpenForWriting,
                 else => |err| return unexpectedError(err),
             }
         }

src-self-hosted/stage2.zig

@@ -164,6 +164,7 @@ export fn stage2_render_ast(tree: *ast.Tree, output_file: *FILE) Error {
         error.OutOfMemory => return .OutOfMemory,
         error.Unexpected => return .Unexpected,
         error.InputOutput => return .FileSystem,
+        error.InvalidFd => return .FileSystem,
     };
     return .None;
 }
@@ -635,6 +636,7 @@ export fn stage2_libc_parse(stage1_libc: *Stage2LibCInstallation, libc_file_z: [
         error.NotDir => return .NotDir,
         error.DeviceBusy => return .DeviceBusy,
         error.FileLocksNotSupported => unreachable,
+        error.InvalidFd => return .FileSystem,
     };
     stage1_libc.initFromStage2(libc);
     return .None;
@@ -679,6 +681,7 @@ export fn stage2_libc_render(stage1_libc: *Stage2LibCInstallation, output_file:
         error.AccessDenied => return .AccessDenied,
         error.Unexpected => return .Unexpected,
         error.InputOutput => return .FileSystem,
+        error.InvalidFd => return .FileSystem,
     };
     return .None;
 }