[Bug bootstrap/57020] New: error: expected expression before ‘)’ token

[Bug bootstrap/57020] New: error: expected expression before ‘)’ token

[aversa at email dot arizona.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57020

             Bug #: 57020
           Summary: error: expected expression before ‘)’ token
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: aversa@email.arizona.edu


Created attachment 29908
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29908
full source file

I get this error:

elist.h:184:10: error: expected expression before ‘)’ token
  ((type *)((char *)(ptr)-(intptr_t)(&((type *)0)->member)))
          ^

Full code snippet:
#define list_entry(ptr, type, member) \
    ((type *)((char *)(ptr)-(intptr_t)(&((type *)0)->member)))
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Subject: [Bug c/57020] error:=?UTF-8?Q? expected expression before ‘?=)=?UTF-8?Q?’ token?Date: Sun, 21 Apr 2013 07:15:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?idW020

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|bootstrap                   |c

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2013-04-21 07:15:41 UTC ---
This is not the full source which is having issues.
This is only the header file where the #define is located.
I suspect you are using list_entry incorrectly.  Though the error message could
be better.

[Bug c/57020] error: expected expression before ‘)’ token

[mpolacek at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57020

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
                 CC|                            |mpolacek at gcc dot gnu.org
         Resolution|---                         |INVALID

--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Testcase not coming.