Re: [PATCH] rust: Add -fno-isolate-erroneous-paths-dereference to bindgen_skip_c_flags

[Mingcong Bai]

Hi Ruoyao,

在 2025/10/15 10:20, Xi Ruoyao 写道:
> It's used to work around an objtool issue since commit abb2a5572264
> ("LoongArch: Add cflag -fno-isolate-erroneous-paths-dereference"), but
> it's then passed to bindgen and cause an error because Clang does not
> have this option.
>
> Fixes: abb2a5572264 ("LoongArch: Add cflag -fno-isolate-erroneous-paths-dereference")
> Signed-off-by: Xi Ruoyao <xry111@xxxxxxxxxxx>
> ---
>   rust/Makefile | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/rust/Makefile b/rust/Makefile
> index 23c7ae905bd2..0676b1194a62 100644
> --- a/rust/Makefile
> +++ b/rust/Makefile
> @@ -289,7 +289,7 @@ bindgen_skip_c_flags := -mno-fp-ret-in-387 -mpreferred-stack-boundary=% \
>   	-fno-inline-functions-called-once -fsanitize=bounds-strict \
>   	-fstrict-flex-arrays=% -fmin-function-alignment=% \
>   	-fzero-init-padding-bits=% -mno-fdpic \
> -	--param=% --param asan-%
> +	--param=% --param asan-% -fno-isolate-erroneous-paths-dereference
>   
>   # Derived from `scripts/Makefile.clang`.
>   BINDGEN_TARGET_x86	:= x86_64-linux-gnu

Tested good applied atop v6.18-rc1, which includes the aforementioned 
abb2a5572264.

Tested-by: Mingcong Bai <jeffbai@xxxxxxx>

Best Regards,
Mingcong Bai