[fontloader] HACK hot-patch loader to fix crashv2.8-rc1

Patch has been upstreamed for a while but no response yet.

1 files changed, 6 insertions, 4 deletions

diff --git a/src/fontloader/misc/fontloader-font-ots.lua b/src/fontloader/misc/fontloader-font-ots.lua
index da5d50a..1c64720 100644
--- a/src/fontloader/misc/fontloader-font-ots.lua
+++ b/src/fontloader/misc/fontloader-font-ots.lua
@@ -2752,10 +2752,12 @@ function otf.dataset(tfmdata,font) -- generic variant, overloaded in context
         }
         rs[language] = rl
         local sequences = tfmdata.resources.sequences
-        for s=1,#sequences do
-            local v = enabled and initialize(sequences[s],script,language,enabled,autoscript,autolanguage)
-            if v then
-                rl[#rl+1] = v
+        if sequences then
+            for s=1,#sequences do
+                local v = enabled and initialize(sequences[s],script,language,enabled,autoscript,autolanguage)
+                if v then
+                    rl[#rl+1] = v
+                end
             end
         end
     end