r272253 - clang/test/CodeGenCXX/debug-info-method.cpp: Tweak for thiscall, for targeting Win32 x86.

[Reid Kleckner via cfe-commits]

On Wed, Jun 15, 2016 at 11:05 AM, David Blaikie <dblaikie at gmail.com> wrote:

> Perhaps we shouldn't emit it if it's the logical platform default as it
> (to my naive understanding) appears to be here?
>

It is only the default for member functions, and member functions can be
cdecl (the free function default). I think it makes more sense to be
explicit, otherwise the debugger has to infer that, because this is a
member function, it uses a different calling convention.

It looks like there is an open bug to have GCC and GDB use
DW_AT_calling_convention in this way, but it is not closed:
https://sourceware.org/bugzilla/show_bug.cgi?id=15559
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