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From: Martin Liska <marxin@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc r13-3088] c: support the attribute starting with '_'
Date: Wed,  5 Oct 2022 12:53:41 +0000 (GMT)	[thread overview]
Message-ID: <20221005125341.130C53858C54@sourceware.org> (raw)

https://gcc.gnu.org/g:0afa9dfb8fb3302db7f104add5654436927dcb56

commit r13-3088-g0afa9dfb8fb3302db7f104add5654436927dcb56
Author: Martin Liska <mliska@suse.cz>
Date:   Wed Oct 5 12:34:30 2022 +0200

    c: support the attribute starting with '_'
    
            PR c/107156
    
    gcc/ChangeLog:
    
            * attribs.h (lookup_attribute_by_prefix): Support the attribute
            starting with underscore (_Noreturn).

Diff:
---
 gcc/attribs.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gcc/attribs.h b/gcc/attribs.h
index b2836560fc2..121b9ebbc39 100644
--- a/gcc/attribs.h
+++ b/gcc/attribs.h
@@ -274,8 +274,8 @@ lookup_attribute_by_prefix (const char *attr_name, tree list)
 	    }
 
 	  const char *p = IDENTIFIER_POINTER (name);
-	  gcc_checking_assert (attr_len == 0 || p[0] != '_');
-
+	  gcc_checking_assert (attr_len == 0 || p[0] != '_'
+			       || (ident_len > 1 && p[1] != '_'));
 	  if (strncmp (attr_name, p, attr_len) == 0)
 	    break;

                 reply	other threads:[~2022-10-05 12:53 UTC|newest]

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