On 04/12/2018 11:27 AM, H.J. Lu wrote:
> On Wed, Apr 11, 2018 at 12:30 PM, Cesar Philippidis
> <ce...@codesourcery.com> wrote:
>> On 04/09/2018 04:31 AM, Richard Biener wrote:
>>> On Fri, 6 Apr 2018, Jakub Jelinek wrote:
>>>
>>>> On Fri, Apr 06, 2018 at 06:48:52AM -0700, Cesar Philippidis wrote:
>>>>> 2018-04-06 Cesar Philippidis <ce...@codesourcery.com>
>>>>>
>>>>> PR middle-end/84955
>>>>>
>>>>> gcc/
>>>>> * cfgloop.c (flow_loops_find): Add assert.
>>>>> * omp-expand.c (expand_oacc_for): Add dummy false branch for
>>>>> tiled basic blocks without omp continue statements.
>>>>> * tree-cfg.c (execute_fixup_cfg): Handle calls to internal
>>>>> functions like regular functions.
>>>>>
>>>>> libgomp/
>>>>> * testsuite/libgomp.oacc-c-c++-common/pr84955.c: New test.
>>>>> * testsuite/libgomp.oacc-fortran/pr84955.f90: New test.
>>>>
>>>> I'd like to defer the cfgloop.c and tree-cfg.c changes to Richard, just
>>>> want to
>>>> mention that:
>>>>
>>>>> --- a/gcc/tree-cfg.c
>>>>> +++ b/gcc/tree-cfg.c
>>>>> @@ -9586,10 +9586,7 @@ execute_fixup_cfg (void)
>>>>> for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi);)
>>>>> {
>>>>> gimple *stmt = gsi_stmt (gsi);
>>>>> - tree decl = is_gimple_call (stmt)
>>>>> - ? gimple_call_fndecl (stmt)
>>>>> - : NULL;
>>>>> - if (decl)
>>>>> + if (is_gimple_call (stmt))
>>>>
>>>> This change doesn't affect just internal functions, but also all indirect
>>>> calls through function pointers with const, pure or noreturn attributes.
>>>
>>> I think the change is desirable nevertheless. The question is if we
>>> want to do it at this point in time.
>>>
>>> The description of the problem sounds more like LTO writing writing out
>>> loops without previously fixing up state. So sth like the following
>>> which I'd prefer at this stage (the above hunk is ok for stage1 then).
>>
>> OK, I'll save that hunk for stage 1.
>>
>>> Index: gcc/lto-streamer-out.c
>>> ===================================================================
>>> --- gcc/lto-streamer-out.c (revision 259227)
>>> +++ gcc/lto-streamer-out.c (working copy)
>>> @@ -2084,6 +2151,9 @@ output_function (struct cgraph_node *nod
>>> /* Set current_function_decl and cfun. */
>>> push_cfun (fn);
>>>
>>> + /* Fixup loops if required to match discovery done in the reader. */
>>> + loop_optimizer_init (AVOID_CFG_MODIFICATIONS);
>>> +
>>> /* Make string 0 be a NULL string. */
>>> streamer_write_char_stream (ob->string_stream, 0);
>>>
>>> @@ -2176,12 +2246,13 @@ output_function (struct cgraph_node *nod
>>> streamer_write_record_start (ob, LTO_null);
>>>
>>> output_cfg (ob, fn);
>>> -
>>> - pop_cfun ();
>>> }
>>> else
>>> streamer_write_uhwi (ob, 0);
>>>
>>> + loop_optimizer_finalize ();
>>> + pop_cfun ();
>>> +
>>> /* Create a section to hold the pickled output of this function. */
>>> produce_asm (ob, function);
>>
>> That worked. Is this patch OK for trunk, GCC 6 and GCC 7?
>
> This caused:
>
> https://gcc.gnu.org/ml/gcc-regression/2018-04/msg00099.html
>
> FAIL: g++.dg/ipa/pr46984.C -std=gnu++11 (internal compiler error)
> FAIL: g++.dg/ipa/pr46984.C -std=gnu++11 (test for excess errors)
> FAIL: g++.dg/ipa/pr46984.C -std=gnu++14 (internal compiler error)
> FAIL: g++.dg/ipa/pr46984.C -std=gnu++14 (test for excess errors)
> FAIL: g++.dg/ipa/pr46984.C -std=gnu++98 (internal compiler error)
> FAIL: g++.dg/ipa/pr46984.C -std=gnu++98 (test for excess errors)
> FAIL: g++.dg/lto/20081217-1 cp_lto_20081217-1_0.o assemble, -O0 -flto
> -flto-partition=1to1 -fno-use-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/20081217-1 cp_lto_20081217-1_0.o assemble, -O0 -flto
> -flto-partition=none -fuse-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/20081217-1 cp_lto_20081217-1_0.o assemble, -O0 -flto
> -fuse-linker-plugin -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/lto/20081217-1 cp_lto_20081217-1_0.o assemble, -O2 -flto
> -flto-partition=1to1 -fno-use-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/20081217-1 cp_lto_20081217-1_0.o assemble, -O2 -flto
> -flto-partition=none -fuse-linker-plugin -fno-fat-lto-objects
> (internal compiler error)
> FAIL: g++.dg/lto/20081217-1 cp_lto_20081217-1_0.o assemble, -O2 -flto
> -fuse-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/20081217-2 cp_lto_20081217-2_0.o assemble, -O0 -flto
> -flto-partition=1to1 -fno-use-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/20081217-2 cp_lto_20081217-2_0.o assemble, -O0 -flto
> -flto-partition=none -fuse-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/20081217-2 cp_lto_20081217-2_0.o assemble, -O0 -flto
> -fuse-linker-plugin -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/lto/20081217-2 cp_lto_20081217-2_0.o assemble, -O2 -flto
> -flto-partition=1to1 -fno-use-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/20081217-2 cp_lto_20081217-2_0.o assemble, -O2 -flto
> -flto-partition=none -fuse-linker-plugin -fno-fat-lto-objects
> (internal compiler error)
> FAIL: g++.dg/lto/20081217-2 cp_lto_20081217-2_0.o assemble, -O2 -flto
> -fuse-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/20081219 cp_lto_20081219_0.o assemble, -fPIC -flto
> -flto-partition=1to1 -O2 (internal compiler error)
> FAIL: g++.dg/lto/20091210-1 cp_lto_20091210-1_0.o assemble, -O0 -flto
> -flto-partition=1to1 -fno-use-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/20091210-1 cp_lto_20091210-1_0.o assemble, -O0 -flto
> -flto-partition=none -fuse-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/20091210-1 cp_lto_20091210-1_0.o assemble, -O0 -flto
> -fuse-linker-plugin -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/lto/20091210-1 cp_lto_20091210-1_0.o assemble, -O2 -flto
> -flto-partition=1to1 -fno-use-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/20091210-1 cp_lto_20091210-1_0.o assemble, -O2 -flto
> -flto-partition=none -fuse-linker-plugin -fno-fat-lto-objects
> (internal compiler error)
> FAIL: g++.dg/lto/20091210-1 cp_lto_20091210-1_0.o assemble, -O2 -flto
> -fuse-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/pr60567 cp_lto_pr60567_0.o assemble, -flto
> -fno-use-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/pr64076 cp_lto_pr64076_0.o assemble, -O0 -flto
> -flto-partition=1to1 -fno-use-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/pr64076 cp_lto_pr64076_0.o assemble, -O0 -flto
> -flto-partition=none -fuse-linker-plugin (internal compiler error)
> FAIL: g++.dg/lto/pr64076 cp_lto_pr64076_0.o assemble, -O0 -flto
> -fuse-linker-plugin -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/lto/pr69133 cp_lto_pr69133_1.o assemble, -flto -O2
> (internal compiler error)
> FAIL: g++.dg/lto/pr69729 cp_lto_pr69729_0.o assemble,
> -fcheck-pointer-bounds -mmpx -flto -flto-partition=max (internal
> compiler error)
> FAIL: g++.dg/lto/pr82027 cp_lto_pr82027_0.o assemble, -O3 -flto
> (internal compiler error)
> FAIL: g++.dg/torture/covariant-1.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/torture/covariant-1.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/torture/covariant-1.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/torture/covariant-1.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/torture/pr41257.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/torture/pr41257.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/torture/pr41257.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/torture/pr41257.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/torture/pr43068.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/torture/pr43068.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/torture/pr43068.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/torture/pr43068.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/torture/pr45699.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/torture/pr45699.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/torture/pr45699.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/torture/pr45699.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/torture/pr46287.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/torture/pr46287.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/torture/pr46287.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/torture/pr46287.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/torture/pr48661.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/torture/pr48661.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/torture/pr48661.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/torture/pr48661.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/torture/pr48954.C -O0 (internal compiler error)
> FAIL: g++.dg/torture/pr48954.C -O0 (test for excess errors)
> FAIL: g++.dg/torture/pr48954.C -O1 (internal compiler error)
> FAIL: g++.dg/torture/pr48954.C -O1 (test for excess errors)
> FAIL: g++.dg/torture/pr48954.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/torture/pr48954.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/torture/pr48954.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/torture/pr48954.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/torture/pr48954.C -O2 (internal compiler error)
> FAIL: g++.dg/torture/pr48954.C -O2 (test for excess errors)
> FAIL: g++.dg/torture/pr48954.C -O3 -fomit-frame-pointer
> -funroll-loops -fpeel-loops -ftracer -finline-functions (internal
> compiler error)
> FAIL: g++.dg/torture/pr48954.C -O3 -fomit-frame-pointer
> -funroll-loops -fpeel-loops -ftracer -finline-functions (test for
> excess errors)
> FAIL: g++.dg/torture/pr48954.C -O3 -g (internal compiler error)
> FAIL: g++.dg/torture/pr48954.C -O3 -g (test for excess errors)
> FAIL: g++.dg/torture/pr48954.C -Os (internal compiler error)
> FAIL: g++.dg/torture/pr48954.C -Os (test for excess errors)
> FAIL: g++.dg/torture/pr58201_0.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/torture/pr58201_0.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/torture/pr58201_0.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/torture/pr58201_0.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/torture/pr58201_1.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/torture/pr58201_1.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/torture/pr58201_1.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/torture/pr58201_1.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/torture/pr58252.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/torture/pr58252.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/torture/pr58252.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/torture/pr58252.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/torture/pr58585.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/torture/pr58585.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/torture/pr58585.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/torture/pr58585.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/torture/pr59226.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/torture/pr59226.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/torture/pr59226.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/torture/pr59226.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/torture/pr60871.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/torture/pr60871.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/torture/pr60871.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/torture/pr60871.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/torture/pr64988.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/torture/pr64988.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/torture/pr64988.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/torture/pr64988.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/torture/pr68184.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/torture/pr68184.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/torture/pr68184.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/torture/pr68184.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/torture/pr71571.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/torture/pr71571.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/torture/pr71571.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/torture/pr71571.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/torture/pr78692.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/torture/pr78692.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/torture/pr78692.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/torture/pr78692.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/torture/pr81812.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/torture/pr81812.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/torture/pr81812.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/torture/pr81812.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/torture/pr83619.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/torture/pr83619.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/torture/pr83619.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/torture/pr83619.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/ubsan/pr64632.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/ubsan/pr64632.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/ubsan/pr64632.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/ubsan/pr64632.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/ubsan/pr65000.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/ubsan/pr65000.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/ubsan/pr65000.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/ubsan/pr65000.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/ubsan/pr70147-1.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/ubsan/pr70147-1.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/ubsan/pr70147-1.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/ubsan/pr70147-1.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-10.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-10.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-10.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-10.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-11.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-11.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-11.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-11.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-1.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-1.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-1.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-1.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-2.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-2.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-2.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-2.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-3.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-3.C -O2 -flto -fno-use-linker-plugin
> -flto-partition=none (test for excess errors)
> FAIL: g++.dg/ubsan/vptr-3.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (internal compiler error)
> FAIL: g++.dg/ubsan/vptr-3.C -O2 -flto -fuse-linker-plugin
> -fno-fat-lto-objects (test for excess errors)
>
> on Linux/x86
Strange. I didn't observe any regressions when I tested it. But, then
again, I was testing against revision
r259092 | jason | 2018-04-04 09:42:55 -0700 (Wed, 04 Apr 2018) | 4 lines
which is over a week old. I'll revert that patch for now, and revisit
this issue in stage1.
Cesar
