https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65078
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Seems this has started with r216247, and indeed, compiling the testcase with -std=gnu89 even with latest trunk results in those 25 %esp references, while using -std=gnu11 even with r190000 results in 69 %esp references.
