https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81423
--- Comment #6 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Segher Boessenkool from comment #5) > There are a few issues here. > > 1) I cannot reproduce it: a trunk x86_64-linux compiler stores to > memory in that insn 20 (the testcase from comment 3). Just re-checked with todays SVN. There are two (insn 20) RTXes; one in the function itself, the second one (the problematic one) in the inlined copy in the main function.