[Bug pending/28243] New: [4.1 Regression] internal consistency failure when building fontforge with -O3 -fPIC -ftracer

[Bug pending/28243] New: [4.1 Regression] internal consistency failure when building fontforge with -O3 -fPIC -ftracer

[vapier at gentoo dot org]

when building fontforge with -O3 -ftracer with gcc-4.1.1, the build bombs:

i686-pc-linux-gnu-gcc -O3 -march=pentium-m -pipe -fomit-frame-pointer -ftracer
-I/usr/include/freetype2/ -I/usr/include/libxml2/ -I../inc -I/usr/pkg/include
-I/usr/pkg/include/giflib -Wmissing-prototypes -Wunused -Wimplicit
-Wreturn-type -Wparentheses -Wformat -Wchar-subscripts -DNOTHREADS
-DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\"
-DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DSTDC_HEADERS=1
-DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1
-DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1
-DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DHAVE_ICONV_H=1 -D_HAS_LONGLONG=1
-DHAVE_LIBINTL_H=1 -DFONTFORGE_CONFIG_TYPE3=1 -DFONTFORGE_CONFIG_DEVICETABLES=1
-DLIBDIR=\"/lib\" -c gpsdraw.c  -fPIC -DPIC -o gpsdraw.lo
gpsdraw.c: In function 'PSDrawElipse':
gpsdraw.c:442: fatal error: internal consistency failure
compilation terminated.

verified on Gentoo and Debian that 4.0.3 works, 4.1.1 fails, mainline works


-- 
           Summary: [4.1 Regression] internal consistency failure when
                    building fontforge with -O3 -fPIC -ftracer
           Product: gcc
           Version: 4.1.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: pending
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: vapier at gentoo dot org
  GCC host triplet: i686-linux-gnu
GCC target triplet: i686-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28243

[Bug pending/28243] [4.1 Regression] internal consistency failure when building fontforge with -O3 -fPIC -ftracer

[vapier at gentoo dot org]

------- Comment #1 from vapier at gentoo dot org  2006-07-04 07:53 -------
Created an attachment (id=11812)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=11812&action=view)
PR28243-ice.i

$ gcc-4.1.1 -c -ftracer -O3 -m32 -fPIC PR28243-ice.i
PR28243-ice.i: In function 'PSDrawFillCircle':
PR28243-ice.i:31: fatal error: internal consistency failure
compilation terminated.

for the full preprocessed output:
http://bugs.gentoo.org/attachment.cgi?id=84775


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28243

[Bug pending/28243] [4.1 Regression] internal consistency failure when building fontforge with -O3 -fPIC -ftracer

[rguenth at gcc dot gnu dot org]

------- Comment #2 from rguenth at gcc dot gnu dot org  2006-07-04 13:53 -------
Confirmed. -O2 -ftracer -fPIC.


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |hubicka at gcc dot gnu dot
                   |                            |org
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
      Known to fail|4.1.1                       |4.1.1 4.1.0
   Last reconfirmed|0000-00-00 00:00:00         |2006-07-04 13:53:11
               date|                            |
   Target Milestone|---                         |4.1.2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28243

[Bug rtl-optimization/28243] [4.1 Regression] internal consistency failure when building fontforge with -O3 -fPIC -ftracer

[tbm at cyrius dot com]

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
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------- Comment #3 from tbm at cyrius dot com  2006-07-15 20:10 -------
Here's another test case, taken from maxdb:

50015:tbm@deprecation: ~/tmp/src/gcc/delta/bin] gcc-4.1 -c -fPIC -O2 28243.c
28243.c: In function ‘pa01CompareKeywordW’:
28243.c:25: fatal error: internal consistency failure
compilation terminated.
Preprocessed source stored into /tmp/cc4ogkHJ.out file, please attach this to
your bugreport.
zsh: exit 1     gcc-4.1 -c -fPIC -O2 28243.c
50016:tbm@deprecation: ~/tmp/src/gcc/delta/bin] cat 28243.c
typedef struct tsp1_packet_header { } tsp81_UCS2Char;
typedef struct
{
  short entry;
  unsigned char keyword[(18)];
  int order_type_key;
  unsigned short keywordW[(18)];
}
api_keyword_tab;
static api_keyword_tab keyword_tab[] = {
};
pa01CompareKeywordW (const unsigned short * strp, int * order_type)
{
  unsigned int i, len1, len2;
  for (i = 0; keyword_tab[i].entry != (99); i++)
    {
        sp81UCS2strlen ((tsp81_UCS2Char *) (keyword_tab[i].keywordW));
      len1 = len1 < len2 ? len1 : len2;
      if (memcmp (keyword_tab[i].keywordW, strp, len1) == 0)
        {
          *order_type = keyword_tab[i].order_type_key;
          break;
        }
    }
}


-- 

tbm at cyrius dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tbm at cyrius dot com,
                   |                            |debian-gcc at lists dot
                   |                            |debian dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28243

[Bug rtl-optimization/28243] [4.1 Regression] internal consistency failure when building fontforge with -O3 -fPIC -ftracer

[steven at gcc dot gnu dot org]

------- Comment #4 from steven at gcc dot gnu dot org  2006-07-15 22:58 -------
Probably latent on mainline.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28243

[Bug rtl-optimization/28243] [4.1 Regression] internal consistency failure when building fontforge with -O3 -fPIC -ftracer

[reichelt at gcc dot gnu dot org]

------- Comment #5 from reichelt at gcc dot gnu dot org  2006-07-19 11:40 -------
Here's a slightly shorter testcase:

=========================================
struct A
{
  char c[13];
  int k[1];
};

struct A a[1];

void foo(int* p)
{
  int i, j;
  for (i=0; i<2; ++i)
    if (memcmp (a[i].k, p, j))
    {
      *p = a[i].k[0];
      bar ((struct A*) (a[i].k));
      break;
    }
}
=========================================

Btw, the error should be an internal_error and not a fatal_error IMHO:

flow.c:493:  fatal_error ("internal consistency failure");
flow.c:518:       fatal_error ("internal consistency failure");
flow.c:540:           fatal_error ("internal consistency failure");

We already have issue an ICE with the same message here:

emit-rtl.c:2239:      internal_error ("internal consistency failure");


-- 

reichelt at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |reichelt at gcc dot gnu dot
                   |                            |org
           Keywords|                            |monitored


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28243

[Bug rtl-optimization/28243] [4.1 Regression] internal consistency failure when building fontforge with -O3 -fPIC -ftracer

[ebotcazou at gcc dot gnu dot org]

------- Comment #6 from ebotcazou at gcc dot gnu dot org  2006-09-11 10:42 -------
> Here's another test case, taken from maxdb:

Please do not attach "other" testcases to a PR, the underlying problems are
very
likely unrelated.  Only testcases reduced from the original one are of any
help.


-- 

ebotcazou at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ebotcazou at gcc dot gnu dot
                   |                            |org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28243

[Bug rtl-optimization/28243] [4.1 Regression] internal consistency failure when building fontforge with -O3 -fPIC -ftracer

[ebotcazou at gcc dot gnu dot org]

------- Comment #7 from ebotcazou at gcc dot gnu dot org  2006-09-12 06:18 -------
Investigating.


-- 

ebotcazou at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|ebotcazou at gcc dot gnu dot|
                   |org                         |
         AssignedTo|unassigned at gcc dot gnu   |ebotcazou at gcc dot gnu dot
                   |dot org                     |org
             Status|NEW                         |ASSIGNED
   Last reconfirmed|2006-07-04 13:53:11         |2006-09-12 06:18:23
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28243

[Bug rtl-optimization/28243] [4.1 Regression] internal consistency failure when building fontforge with -O3 -fPIC -ftracer

[ebotcazou at gcc dot gnu dot org]

------- Comment #8 from ebotcazou at gcc dot gnu dot org  2006-09-12 21:48 -------
Subject: Bug 28243

Author: ebotcazou
Date: Tue Sep 12 21:48:40 2006
New Revision: 116906

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=116906
Log:
        PR rtl-optimization/28243
        * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
        the insn to which the note was originally attached.


Added:
    trunk/gcc/testsuite/gcc.dg/pr28243.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28243

[Bug rtl-optimization/28243] [4.1 Regression] internal consistency failure when building fontforge with -O3 -fPIC -ftracer

[ebotcazou at gcc dot gnu dot org]

------- Comment #9 from ebotcazou at gcc dot gnu dot org  2006-09-12 21:49 -------
Subject: Bug 28243

Author: ebotcazou
Date: Tue Sep 12 21:49:45 2006
New Revision: 116907

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=116907
Log:
        PR rtl-optimization/28243
        * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
        the insn to which the note was originally attached.


Added:
    branches/gcc-4_1-branch/gcc/testsuite/gcc.dg/pr28243.c
Modified:
    branches/gcc-4_1-branch/gcc/ChangeLog
    branches/gcc-4_1-branch/gcc/combine.c
    branches/gcc-4_1-branch/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28243

[Bug rtl-optimization/28243] [4.1 Regression] internal consistency failure when building fontforge with -O3 -fPIC -ftracer

[ebotcazou at gcc dot gnu dot org]

------- Comment #10 from ebotcazou at gcc dot gnu dot org  2006-09-12 21:54 -------
Fixed in upcoming 4.1.2 release.


-- 

ebotcazou at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                URL|                            |http://gcc.gnu.org/ml/gcc-
                   |                            |patches/2006-
                   |                            |09/msg00476.html
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28243