[Bug tree-optimization/83501] [8 Regression] strlen(a) not folded after strcpy(a, "...")

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83501

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |missed-optimization
      Known to work|                            |5.4.0, 6.4.0, 7.2.0
      Known to fail|                            |8.0

--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
Bisection points to r255197:

2017-11-28  Richard Biener  <rguent...@suse.de>

        PR middle-end/83141
        * gimple-fold.c (gimple_fold_builtin_memory_op): For aggregate
        copies generated from memcpy use a character array as reference
        type.