Workaround for potential optimizer bug in clang 8 that causes hangs at runtime https://github.com/michaelrsweet/htmldoc/issues/349 --- htmldoc/ps-pdf.cxx.orig 2018-04-10 11:56:03 UTC +++ htmldoc/ps-pdf.cxx @@ -5361,7 +5361,7 @@ parse_pre(tree_t *t, /* I - Tree to parse */ line[10240], *lineptr, *dataptr; - int col; + volatile int col; float width, height, rgb[3];