On Thu, Apr 9, 2015 at 11:28 AM, Marek Polacek <pola...@redhat.com> wrote: > This test was failing at -O due to non-trivial conversion at assignment. > The reason is that gimple_fold_builtin_memory_op created invalid GIMPLE, > because fold_ctor_reference called via fold_const_aggregate_ref was > discarding a cast, so it returned a different type than it got. Fixed by > dropping useless type conversions only. > > It also fixes a stale comment that I noticed. > > Bootstrapped/regtested on x86_64-linux. Preapproved by Jakub on IRC, > applying to trunk. > > 2015-04-09 Marek Polacek <pola...@redhat.com> > Jakub Jelinek <ja...@redhat.com> > > PR middle-end/65554 > * gimple-fold.c (gimple_fold_builtin_memory_op): Update comment. > (fold_ctor_reference): Use STRIP_USELESS_TYPE_CONVERSION instead > of STRIP_NOPS. > > * g++.dg/opt/pr65554.C: New test. >
The testcase failed for 32-bit target: /export/gnu/import/git/gcc-test-ia32/src-trunk/gcc/testsuite/g++.dg/opt/pr65554.C:47:30: fatal error: definition of std::initializer_list does not match #include <initializer_list>^M compilation terminated.^M compiler exited with status 1 output is: /export/gnu/import/git/gcc-test-ia32/src-trunk/gcc/testsuite/g++.dg/opt/pr65554.C:47:30: fatal error: definition of std::initializer_list does not match #include <initializer_list>^M compilation terminated.^M FAIL: g++.dg/opt/pr65554.C -std=gnu++11 (test for excess errors) -- H.J.
