[Bug other/63504] [5 Regression] Issues found by --enable-checking=valgrind

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63504

--- Comment #5 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Created attachment 33687
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33687&action=edit
testcase for issue 1)