Gold standard = instant massive deflation, economic contraction, and, ultimately, complete collapse.
While the gold standard will in the long term be deflationary, the only reason for massive deflation would be if a poor peg is chosen. Setting the peg too low or too high wlll cause a one-time bout of deflation or inflation, but there's nothing that would require the peg to be set too low. Indeed, if anything, it would be in interest of the government to set it high so that it can make a one time profit from the increase of the book value of its holdings in gold.