From: Joseph Myers <joseph@codesourcery.com>
To: Longjun Luo <luolongjuna@gmail.com>
Cc: <gcc-patches@gcc.gnu.org>, <sangyan@huawei.com>
Subject: Re: [PATCH] libcpp: suppress builtin macro redefined warnings for __LINE__
Date: Thu, 1 Dec 2022 17:01:20 +0000 [thread overview]
Message-ID: <ff97862b-2dd1-463e-c44a-8d46463038e8@codesourcery.com> (raw)
In-Reply-To: <20221201043155.9369-1-luolongjuna@gmail.com>
On Thu, 1 Dec 2022, Longjun Luo via Gcc-patches wrote:
> diff --git a/gcc/testsuite/gcc.dg/builtin-redefine.c b/gcc/testsuite/gcc.dg/builtin-redefine.c
> index 882b2210992..9d5b42252ee 100644
> --- a/gcc/testsuite/gcc.dg/builtin-redefine.c
> +++ b/gcc/testsuite/gcc.dg/builtin-redefine.c
> @@ -71,7 +71,6 @@
> /* { dg-bogus "Expected built-in is not defined" "" { target *-*-* } .-1 } */
> #endif
>
> -#define __LINE__ 0 /* { dg-warning "-:\"__LINE__\" redef" } */
> #define __INCLUDE_LEVEL__ 0 /* { dg-warning "-:\"__INCLUDE_LEVEL__\" redef" } */
> #define __COUNTER__ 0 /* { dg-warning "-:\"__COUNTER__\" redef" } */
Is there some existing test that verifies that this redefinition is still
diagnosed by default (in the absence of -Wno-builtin-macro-redefined)?
--
Joseph S. Myers
joseph@codesourcery.com
next prev parent reply other threads:[~2022-12-01 17:01 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-01 4:31 Longjun Luo
2022-12-01 17:01 ` Joseph Myers [this message]
2022-12-01 18:23 ` Longjun Luo
2022-12-01 19:07 ` Joseph Myers
2022-12-01 19:51 ` Longjun Luo
2022-12-01 21:10 ` Joseph Myers
2023-01-12 16:02 ` Longjun Luo
2023-04-30 18:30 ` Jeff Law
2023-04-30 23:14 ` Jeff Law
2023-04-30 23:19 ` Andrew Pinski
2023-01-12 16:05 ` Longjun Luo
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