This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]

Re: Don't warn about missing noreturn for main

To: Mark Mitchell <mark at codesourcery dot com>
Subject: Re: Don't warn about missing noreturn for main
From: Jason Merrill <jason at redhat dot com>
Date: 01 Jan 2001 02:18:43 +0000
Cc: aj at suse dot de, gcc-patches at gcc dot gnu dot org
References: <u8hf3lps8a.fsf@gromit.rhein-neckar.de><20001231115502L.mitchell@codesourcery.com>

>>>>> "Mark" == Mark Mitchell <mark@codesourcery.com> writes:

> There is at least one technical problem with the patch:

>   - The test you propse isn't strict enough -- in lots of languages
>     things can be named `main' but be in a "namespace" so that they
>     are not *the* main function.  In fact, in some languages the
>     global `main' might not be *the* `main'; checking
>     DECL_ASSEMBLER_NAME might be better, but then you get into
>     issues about leading `_', etc.

Actually, you don't; the leading underscore is added by ASM_OUTPUT_LABELREF
et al.  DECL_ASSEMBLER_NAME should be clean.

Jason

References:
- Don't warn about missing noreturn for main
  - From: Andreas Jaeger
- Re: Don't warn about missing noreturn for main
  - From: Mark Mitchell

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]