Hi, Here’s a ticket: https://github.com/intel/llvm/issues/1617 I wanted to do a bit more testing before submitting it. Looks like things are bit hairier than I initially thought. How are you running the code that causes these issued warnings? What SYCL device are you using? I see them on an Iris node only when running with the Intel Neo. If you use the “CPU device”, does execution halt at the point you expect to see the warnings? Vince

On Apr 29, 2020, at 6:46 PM, Vincent R. Pascuzzi <[email protected]> wrote:

Hi,

Yes, I am experiencing the same thing:

``` DIBlockByRefStruct on DICompositeType is no longer supported !185 = !DICompositeType(tag: DW_TAG_structure_type, name: "CaloDetDescrElement", file: !186, line: 15, flags: DIFlagReservedBit4, elements: !170) DIBlockByRefStruct on DICompositeType is no longer supported !1032 = !DICompositeType(tag: DW_TAG_structure_type, name: "__private_class", scope: !892, file: !893, line: 34, flags: DIFlagReservedBit4, elements: !170) ```

A friend of mine from Intel suggested I open a ticket on the intel/llvm. According to the compiler team, "This looks very strange... Most likely it's not from the DPC++ front-end compiler.” I will give you more details tomorrow (signing off for the evening).

Vince

...

On Apr 29, 2020, at 6:37 PM, Weiqun Zhang via Ecp-aurora-sdk-discuss <[email protected]> wrote:

Hello,

With DPC++ beta6, I get a lot of messages like below at runtime in stderr. Does anyone know what that means? Is there a way to turn it off?

DIBlockByRefStruct on DICompositeType is no longer supported !496 = !DICompositeType(tag: DW_TAG_structure_type, name: "initializer_list<int>", scope: !196, file: !497, line: 47, flags: DIFlagReservedBit4, elements: !138) DIBlockByRefStruct on DICompositeType is no longer supported !637 = !DICompositeType(tag: DW_TAG_structure_type, name: "reverse_iterator<__gnu_cxx::__normal_iterator<int *, std::vector<int, std::allocator<int> > > >", scope: !196, file: !519, line: 105, flags: DIF lagReservedBit4, elements: !138) DIBlockByRefStruct on DICompositeType is no longer supported !642 = !DICompositeType(tag: DW_TAG_structure_type, name: "reverse_iterator<__gnu_cxx::__normal_iterator<const int *, std::vector<int, std::allocator<int> > > >", scope: !196, file: !519, line: 105, flag s: DIFlagReservedBit4, elements: !138) DIBlockByRefStruct on DICompositeType is no longer supported !840 = !DICompositeType(tag: DW_TAG_structure_type, name: "reverse_iterator<int *>", scope: !196, file: !519, line: 105, flags: DIFlagReservedBit4, elements: !138)

Weiqun

PS. Sorry for sending this twice. The first time I sent to the wrong mailing list.

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