[Bug c++/55926] New: Internal compiler error with static volatile pointer

[Bug c++/55926] New: Internal compiler error with static volatile pointer

[pch at laposte dot net]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55926

             Bug #: 55926
           Summary: Internal compiler error with static volatile pointer
    Classification: Unclassified
           Product: gcc
           Version: 4.7.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: pch@laposte.net


Created attachment 29135
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29135
Preprocessed source file

Following error:
Error.cpp: In function 'void f()':
Error.cpp:3:29: error: unrecognizable insn:
(insn 8 7 9 3 (set (mem/v/f/c:SI (symbol_ref:SI ("_ZL2fd") [flags 0x2]
<var_decl 051d4f60 fd>) [0 fd+0 S4 A32])
        (const:SI (plus:SI (symbol_ref:SI ("_iob") [flags 0x440] <var_decl
05152ea0 _iob>)
                (const_int 32 [0x20])))) Error.cpp:3 -1
     (nil))
Error.cpp:3:29: internal compiler error: in extract_insn, at recog.c:2123
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://tdm-gcc.tdragon.net/bugs> for instructions.


is produced with following version:
Using built-in specs.
COLLECT_GCC=mingw32-gcc
COLLECT_LTO_WRAPPER=c:/mingw32-tdm4.7/bin/../libexec/gcc/mingw32/4.7.1/lto-wrapper.exe
Target: mingw32
Configured with: ../../src/gcc-4.7.1/configure --build=mingw32
--enable-languages=c,c++,ada,fortran,objc,obj-c++ --enable-threads=win32
--enable-libgomp --enable-lto --enable-fully-dynamic-string
--enable-libstdcxx-debug --enable-version-specific-runtime-libs --with-gnu-ld
--disable-nls --disable-win32-registry --disable-symvers
--disable-build-poststage1-with-cxx --disable-werror --prefix=/mingw32tdm
--with-local-prefix=/mingw32tdm --enable-cxx-flags='-fno-function-sections
-fno-data-sections' --with-pkgversion=tdm-1 --enable-sjlj-exceptions
--with-bugurl=http://tdm-gcc.tdragon.net/bugs
Thread model: win32
gcc version 4.7.1 (tdm-1)


with following compilation command:
gcc Error.cpp


when Error.cpp contains only:
#include <stdio.h>
static FILE *volatile fd;
void f(void) { fd = stdout; }


Preprocessing of these 3 lines in attachement

[Bug target/55926] Internal compiler error with static volatile pointer

[ktietz at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55926

Kai Tietz <ktietz at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2013-09-12
                 CC|                            |ktietz at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Kai Tietz <ktietz at gcc dot gnu.org> ---
Hmm, I tested with 4.8, and with trunk 4.9.  It seems to work for me.  Does
this error still happens for you with more recent gcc-version?

[Bug target/55926] Internal compiler error with static volatile pointer

[ktietz at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55926

Kai Tietz <ktietz at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
         Resolution|---                         |WORKSFORME

--- Comment #3 from Kai Tietz <ktietz at gcc dot gnu.org> ---
So as I can't reproduce this, and neither we had new comments on this bug, nor
duplicate, I will close it.

So I will close this bug.