c/7070: internal error with -Wunknown-pragmas && empty #pragma

c/7070: internal error with -Wunknown-pragmas && empty #pragma

[ms]

>Number:         7070
>Category:       c
>Synopsis:       internal error with -Wunknown-pragmas && empty #pragma
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          rejects-legal
>Submitter-Id:   net
>Arrival-Date:   Tue Jun 18 09:56:02 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     Marcus Shawcroft
>Release:        3.1
>Organization:
>Environment:
redhat 7.1 i686
>Description:
The -Wunknown-pragmas option doesn;t like empty #pragma's.

Try this on the attached file:
gcc -Wall x.c

Gives:
internal error: x.c:1:8: unspellable token CPP_EOF
>How-To-Repeat:

>Fix:

*** /project/vobtags/toolsdev/gcc/gcc/gcc/c-lex.c@@/main/Integration.5410/Integration.6110/ms_toolsdev/0	Tue Jun 18 17:27:17 2002
--- c-lex.c	Tue Jun 18 17:27:54 2002
***************
*** 338,348 ****
        const cpp_token *s;
  
        s = cpp_get_token (pfile);
-       space = cpp_token_as_text (pfile, s);
-       s = cpp_get_token (pfile);
        if (s->type == CPP_NAME)
! 	name = cpp_token_as_text (pfile, s);
! 
        lineno = SOURCE_LINE (map, line);
        if (name)
  	warning ("ignoring #pragma %s %s", space, name);
--- 338,350 ----
        const cpp_token *s;
  
        s = cpp_get_token (pfile);
        if (s->type == CPP_NAME)
! 	{
! 	  space = cpp_token_as_text (pfile, s);
! 	  s = cpp_get_token (pfile);
! 	  if (s->type == CPP_NAME)
! 	    name = cpp_token_as_text (pfile, s);
! 	}
        lineno = SOURCE_LINE (map, line);
        if (name)
  	warning ("ignoring #pragma %s %s", space, name);
>Release-Note:
>Audit-Trail:
>Unformatted:
----gnatsweb-attachment----
Content-Type: application/octet-stream; name="x.c"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="x.c"

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Re: c/7070: internal error with -Wunknown-pragmas && empty #pragma

[neil]

Synopsis: internal error with -Wunknown-pragmas && empty #pragma

Responsible-Changed-From-To: unassigned->neil
Responsible-Changed-By: neil
Responsible-Changed-When: Wed Jun 19 04:20:25 2002
Responsible-Changed-Why:
    Mine.

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=7070