master updated (d93ff94 -> 3b29afa)

[Paul Eggert]

eggert pushed a change to branch master.

      from  d93ff94   Rewrite gnus-search-query-expand-key
       new  2f7afef   Fix pdumper-related GC bug
       new  f6472cc   Make pdumper-marking pickier
       new  3b29afa   Pacify GCC 11.1.1 20210531 (Red Hat 11.1.1-3)


Summary of changes:
 src/alloc.c | 43 +++++++++++++++++++++++++++++++++++--------
 src/image.c |  4 ++--
 src/xfns.c  | 10 ++++++----
 3 files changed, 43 insertions(+), 14 deletions(-)