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Subject: Re: C++11 code in the gcc 10 branch
From: Iain Sandoe <iain@sandoe.co.uk>
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Date: Mon, 21 Dec 2020 14:39:58 +0000
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To: FX <fxcoudert@gmail.com>
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FX via Gcc <gcc@gcc.gnu.org> wrote:

<SNIP>

> but later I am getting further errors:
>
> ../../gcc/gcc/config/darwin.c:1357:16: error: no viable conversion from  
> 'poly_uint16' (aka 'poly_int<2, unsigned short>') to 'unsigned int'
>  unsigned int modesize = GET_MODE_BITSIZE (mode);
>               ^          ~~~~~~~~~~~~~~~~~~~~~~~
> ../../gcc/gcc/config/darwin.c:1752:28: error: invalid operands to binary  
> expression ('poly_uint16' (aka 'poly_int<2, unsigned short>') and 'int')
>  if (GET_MODE_SIZE (mode) == 8


> 1. confirmation that the C++11 code in aarch64-builtins.c is indeed a  
> bug, and that a patch for it would be welcome
> 2. guidance about how to fix that next issue

You are missing a patch from master that converted darwin.c to use the  
“proper” handling of poly_int16 instead of the workaround.

7ddee9cd99b, I think is the one.

Iain