merge revision(s) ef2b26c: [Backport #21611]

	`struct iseq_catch_table` is packed

Author: k0kubun

compile.c

@@ -13160,7 +13160,7 @@ ibf_load_catch_table(const struct ibf_load *load, ibf_offset_t catch_table_offse
             table->entries[i].sp = (unsigned int)ibf_load_small_value(load, &reading_pos);
 
             rb_iseq_t *catch_iseq = (rb_iseq_t *)ibf_load_iseq(load, (const rb_iseq_t *)(VALUE)iseq_index);
-            RB_OBJ_WRITE(parent_iseq, &table->entries[i].iseq, catch_iseq);
+            RB_OBJ_WRITE(parent_iseq, UNALIGNED_MEMBER_PTR(&table->entries[i], iseq), catch_iseq);
         }
         return table;
     }

version.h

@@ -11,7 +11,7 @@
 # define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR
 #define RUBY_VERSION_TEENY 6
 #define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR
-#define RUBY_PATCHLEVEL 54
+#define RUBY_PATCHLEVEL 55
 
 #include "ruby/version.h"
 #include "ruby/internal/abi.h"