[Bug c/53702] New: Segmentation fault with -Wall

[Bug c/53702] New: Segmentation fault with -Wall

[dcb314 at hotmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53702

             Bug #: 53702
           Summary: Segmentation fault with -Wall
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: dcb314@hotmail.com


Created attachment 27638
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27638
C source code

I just tried to compile the package gstreamer-plugins-espeak-0.3.5-2
on gcc-4.8 trunk dated 20120617 on an AMD x86_64 box.

The compiler said

espeak.c:245:5: internal compiler error: Segmentation fault
     g_atomic_int_set (&spin->state, PLAY);
     ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Preprocessed source code attached. Flag -Wall required.

[Bug c/53702] Segmentation fault with -Wall

[markus at trippelsdorf dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53702

Markus Trippelsdorf <markus at trippelsdorf dot de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |markus at trippelsdorf dot
                   |                            |de

--- Comment #1 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2012-06-17 11:02:23 UTC ---
void fn1 ()
{
    void fn2 ()
    {
    }
    typedef int pt;
}

[Bug c/53702] Segmentation fault with -Wall

[markus at trippelsdorf dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53702

Markus Trippelsdorf <markus at trippelsdorf dot de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |meadori at gmail dot com

--- Comment #2 from Markus Trippelsdorf <markus at trippelsdorf dot de> 2012-06-17 14:16:27 UTC ---
Started with revision 187979:

commit e4a33abd20e349979e77e2881fcd29dac9825ed6
Author: jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4>
Date:   Tue May 29 19:07:04 2012 +0000

    2012-05-29  Meador Inge  <meadori@codesourcery.com>

        * c-decl.c (c_push_function_context): Always create a new language
        function.
        (c_pop_function_context): Clear the language function created in
        c_push_function_context.


    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187979
138bc75d-0d04-0410-961f-82ee72b054a4

[Bug c/53702] Segmentation fault with -Wall

[meadori at codesourcery dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53702

--- Comment #3 from Meador Inge <meadori at codesourcery dot com> 2012-06-17 16:15:51 UTC ---
I will look into this one.

[Bug c/53702] [4.8 Regression] ICE with -Wall and nested functions and unused typedef

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53702

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
           Keywords|                            |ice-on-valid-code
   Last reconfirmed|                            |2012-06-17
     Ever Confirmed|0                           |1
            Summary|Segmentation fault with     |[4.8 Regression] ICE with
                   |-Wall                       |-Wall and nested functions
                   |                            |and unused typedef
   Target Milestone|---                         |4.8.0

[Bug c/53702] [4.8 Regression] ICE with -Wall and nested functions and unused typedef

[meadori at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53702

--- Comment #4 from meadori at gcc dot gnu.org 2012-06-21 20:20:36 UTC ---
Author: meadori
Date: Thu Jun 21 20:20:30 2012
New Revision: 188860

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=188860
Log:
    PR c/53702

    * c-decl.c (c_push_function_context): Restore the behavior to reuse
    the language function allocated for -Wunused-local-typedefs.
    (c_pop_function_context): If necessary, clear the language function
    created in c_push_function_context.  Always clear out the
    x_cur_stmt_list field of the restored language function.

testsuite/
    * gcc.dg/Wunused-local-typedefs.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/Wunused-local-typedefs.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-decl.c
    trunk/gcc/testsuite/ChangeLog

[Bug c/53702] [4.8 Regression] ICE with -Wall and nested functions and unused typedef

[meadori at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53702

meadori at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |meadori at gcc dot gnu.org
         Resolution|                            |FIXED

--- Comment #5 from meadori at gcc dot gnu.org 2012-06-21 20:48:08 UTC ---
Fix committed.  Thanks for the report!