RE: [review v3] testsuite, cp: increase the coverage of testing pass-by-ref arguments

["Aktemur, Tankut Baris" <tankut dot baris dot aktemur at intel dot com>]

On Tuesday, January 14, 2020 2:13 PM, Luis Machado wrote:
> 
> On 1/14/20 9:52 AM, Aktemur, Tankut Baris wrote:
> >
> > I've investigated GCC and Clang for this.  GCC started emitting DW_AT_deleted and
> > DW_AT_defaulted with version 7.  Clang does not emit these attributes; however, it
> > has been emitting DW_AT_calling_convention starting with version 7.  This
> > attribute helps the debugger make the right decision in some cases.
> >
> > Based on this, I think the test cases have to be filtered in a somewhat
> > fine-granular manner.  Therefore I thought I could save you from the burden of
> > having to go through the code-generating test definition.  Below is a patch proposal.
> >
> > -Baris
> 
> Thanks! I've checked this on my box with an older GCC and i see the
> XFAIL's now. So it looks good to me.
> 
> Small nit below...
> 

Thank you.  I'll fix that and wait for an official approval.

-Baris

> > +# GCC version <= 6 and Clang do not emit DW_AT_defaulted and DW_AT_deleted
> > +set is_gcc_6_or_older [test_compiler_info {gcc-[0-6]-*}]
> > +set is_clang [test_compiler_info {clang-*}]
> > +
> >   set bp_location [gdb_get_line_number "stop here"]
> >   gdb_breakpoint $bp_location
> >   gdb_continue_to_breakpoint "end of main" ".*return .*;"
> 
> It seems to be a mixed bag, but i see more examples of having a period
> after the sentence than not having it. Multiple cases of this on the patch.
> 
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