[Bug rtl-optimization/67396] [4.9/5/6 regression] Performance regression compiling variadic function with many arguments in RTL DSE

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67396

--- Comment #10 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
It's the --param max-dse-active-local-stores stuff, but the default value is
apparently not well suited to this testcase.