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[Bug target/83781] [8 Regression] Bootstrap failed on x86 with --with-arch=corei7 --with-cpu=corei7


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83781

--- Comment #8 from Martin Sebor <msebor at gcc dot gnu.org> ---
Author: msebor
Date: Thu Jan 11 05:13:57 2018
New Revision: 256477

URL: https://gcc.gnu.org/viewcvs?rev=256477&root=gcc&view=rev
Log:
PR tree-optimization/83781 - Bootstrap failed on x86 with --with-arch=corei7
  --with-cpu=corei7

gcc/ChangeLog:
        * gimple-fold.c (get_range_strlen): Avoid treating arrays of pointers
        as string arrays.

gcc/testsuite/ChangeLog:
        * gcc.dg/strlenopt-42.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/strlenopt-42.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-fold.c
    trunk/gcc/testsuite/ChangeLog

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