[Bug middle-end/69643] Address space discarded

[rth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69643

--- Comment #3 from Richard Henderson <rth at gcc dot gnu.org> ---
Author: rth
Date: Fri Feb  5 22:05:17 2016
New Revision: 233189

URL: https://gcc.gnu.org/viewcvs?rev=233189&root=gcc&view=rev
Log:
PR c/69643

  * tree.c (tree_nop_conversion_p): Do not strip casts into or
  out of non-standard address spaces.
testsuite/
  * gcc.target/i386/addr-space-4.c: New.
  * gcc.target/i386/addr-space-5.c: New.

Added:
    trunk/gcc/testsuite/gcc.target/i386/addr-space-4.c
    trunk/gcc/testsuite/gcc.target/i386/addr-space-5.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree.c