On 12/26/22 21:17, Alexandre Oliva via Gcc-patches wrote:

Avoid hash table lookups between requesting an insert and storing the
inserted value in avail_exprs_stack.  Lookups before the insert is
completed could fail to find double-hashed elements.

Regstrapped on x86_64-linux-gnu.  Ok to install?


for  gcc/ChangeLog

        * tree-ssa-scopedtables.cc
        (avail_exprs_stack::lookup_avail_expr): Finish hash table
        insertion before further lookups.
Thanks.  OK.
Jeff

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