Also check ttype_index when using SJLJ

Author: bzEq

library/std/src/personality/dwarf/eh.rs

@@ -121,13 +121,21 @@ pub unsafe fn find_eh_action(lsda: *const u8, context: &EHContext<'_>) -> Result
         let mut idx = ip;
         loop {
             let cs_lpad = reader.read_uleb128();
-            let cs_action = reader.read_uleb128();
+            let cs_action_entry = reader.read_uleb128();
             idx -= 1;
             if idx == 0 {
                 // Can never have null landing pad for sjlj -- that would have
                 // been indicated by a -1 call site index.
                 let lpad = (cs_lpad + 1) as usize;
-                return Ok(interpret_cs_action(cs_action, lpad));
+                if cs_action_entry == 0 {
+                    return Ok(interpret_cs_action(0, lpad));
+                } else {
+                    let action_record =
+                        (action_table as *mut u8).offset(cs_action_entry as isize - 1);
+                    let mut action_reader = DwarfReader::new(action_record);
+                    let ttype_index = action_reader.read_sleb128();
+                    return Ok(interpret_cs_action(ttype_index as u64, lpad));
+                }
             }
         }
     }