message: Fix line number offset in MSVC diagnostics
diff: @@ -279,7 +279,7 @@ export class CompileOutputConsumer implements OutputConsumer {
  const parts = location.split(',');
  const n0 = parseInt(parts[0]);
  if (parts.length === 1)
  - return new vscode.Range(n0, 0, n0, 999);
  + return new vscode.Range(n0 - 1, 0, n0 - 1, 999);
  if (parts.length === 2)
  return new vscode.Range(Number.parseInt(parts[0]) - 1,
  Number.parseInt(parts[1]) - 1,
  