-Wmaybe-uninitialized happens in check_code.c

/home/ysuenaga/git-forked/jdk/src/java.base/share/native/libverify/check_code.c: In function 'signature_to_fieldtype':
/home/ysuenaga/git-forked/jdk/src/java.base/share/native/libverify/check_code.c:3825:21: warning: 'buffer' may be used uninitialized [-Wmaybe-uninitialized]
 3825 | check_and_push(context, buffer, VM_MALLOC_BLK);
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/ysuenaga/git-forked/jdk/src/java.base/share/native/libverify/check_code.c:4144:13: note: by argument 2 of type 'const void *' to 'check_and_push' declared here
 4144 | static void check_and_push(context_type *context, const void *ptr, int kind)
      | ^~~~~~~~~~~~~~