nocov: not reasonable to test in CI

Author: MichaelChirico

src/forder.c

@@ -363,7 +363,7 @@ static void range_str(const SEXP *x, int n, uint64_t *out_min, uint64_t *out_max
     // now use the 1-1 mapping from ustr to ustr2 to get the ordering back into original ustr, being careful to reset tl to 0
     int *tl = (int *)malloc(ustr_n * sizeof(int));
     if (!tl) {
-      free(ustr3);
+      free(ustr3); // # nocov
       STOP(_("Failed to alloc tl when converting strings to UTF8"));  // # nocov
     }
     const SEXP *tt = STRING_PTR_RO(ustr2);
@@ -667,7 +667,7 @@ SEXP forder(SEXP DT, SEXP by, SEXP retGrpArg, SEXP retStatsArg, SEXP sortGroupsA
       if (key[nradix+b]==NULL) {
         uint8_t *tt = calloc(nrow, sizeof(uint8_t));  // 0 initialize so that NA's can just skip (NA is always the 0 offset)
         if (!tt) {
-          free(key);
+          free(key); // # nocov
           STOP(_("Unable to allocate %"PRIu64" bytes of working memory"), (uint64_t)nrow*sizeof(uint8_t)); // # nocov
         }
         key[nradix+b] = tt;