[Bug c++/41119] New: [4.5 regression] Revision 150805 failed 447.dealII in SPEC CPU 2006

[Bug c++/41119] New: [4.5 regression] Revision 150805 failed 447.dealII in SPEC CPU 2006

[hjl dot tools at gmail dot com]

Revision 150805:

http://gcc.gnu.org/ml/gcc-cvs/2009-08/msg00485.html

caused:

g++ -c -o mg_dof_tools.o -DSPEC_CPU -DNDEBUG  -Iinclude -DBOOST_DISABLE_THREADS
-Ddeal_II_dimension=3  -O2 -ffast-math   -DSPEC_CPU_LP64       mg_dof_tools.cc
g++ -c -o mg_smoother.o -DSPEC_CPU -DNDEBUG  -Iinclude -DBOOST_DISABLE_THREADS
-Ddeal_II_dimension=3  -O2 -ffast-math   -DSPEC_CPU_LP64       mg_smoother.cc
g++ -c -o mg_transfer_block.o -DSPEC_CPU -DNDEBUG  -Iinclude
-DBOOST_DISABLE_THREADS -Ddeal_II_dimension=3  -O2 -ffast-math  
-DSPEC_CPU_LP64       mg_transfer_block.cc
In file included from mg_transfer_block.cc:22:0:
include/dofs/dof_tools.h:719:84: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.


-- 
           Summary: [4.5 regression] Revision 150805 failed 447.dealII in
                    SPEC CPU 2006
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: hjl dot tools at gmail dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41119

[Bug c++/41119] [4.5 regression] Revision 150805 failed 447.dealII in SPEC CPU 2006

[hjl dot tools at gmail dot com]

------- Comment #1 from hjl dot tools at gmail dot com  2009-08-19 14:12 -------
It doesn't fail with preprocessed code.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41119

[Bug c++/41119] [4.5 regression] Revision 150805 failed 447.dealII in SPEC CPU 2006

[hjl dot tools at gmail dot com]

------- Comment #2 from hjl dot tools at gmail dot com  2009-08-19 14:18 -------
Valgrind reports:

==22210== Invalid read of size 2
==22210==    at 0x51521D: is_empty_class (class.c:6524)
==22210==    by 0x482E70: build_call_a (call.c:356)
==22210==    by 0x483FF2: build_cxx_call (call.c:5782)
==22210==    by 0x48D5AF: build_over_call (call.c:5770)
==22210==    by 0x48F8C4: build_new_method_call (call.c:6330)
==22210==    by 0xC4B6EDF: ???
==22210==    by 0x46: ???
==22210==  Address 0xa5a5a5a5a5a5a5a5 is not stack'd, malloc'd or (recently)
free'd


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41119

[Bug c++/41119] [4.5 regression] Revision 150805 failed 447.dealII in SPEC CPU 2006

[rguenth at gcc dot gnu dot org]

------- Comment #3 from rguenth at gcc dot gnu dot org  2009-08-19 14:31 -------
See PR41120 for a testcase.


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
OtherBugsDependingO|                            |41120
              nThis|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41119

[Bug c++/41119] [4.5 regression] Revision 150805 failed 447.dealII in SPEC CPU 2006

[hjl dot tools at gmail dot com]

------- Comment #4 from hjl dot tools at gmail dot com  2009-08-19 15:06 -------
(gdb) bt
#0  0x00000000005cec03 in is_empty_class (type=0xa5a5a5a5a5a5a5a5)
    at ../../src/gcc/cp/class.c:6524
#1  0x0000000000485555 in build_call_a (function=0x7ffff0593e40, n=1, 
    argarray=0x7fffffffc750) at ../../src/gcc/cp/call.c:357
#2  0x00000000004a1dc4 in build_cxx_call (fn=0x7ffff0593e40, nargs=1, 
    argarray=0x7fffffffc750) at ../../src/gcc/cp/call.c:5782
#3  0x00000000004a1d86 in build_over_call (cand=0x18fced0, flags=71, 
    complain=3) at ../../src/gcc/cp/call.c:5770
#4  0x00000000004a555d in build_new_method_call (instance=0x7ffff043b8c0, 
    fns=0x7ffff048c500, args=0x0, conversion_path=0x7ffff0409770, flags=71, 
    fn_p=0x0, complain=3) at ../../src/gcc/cp/call.c:6330
#5  0x0000000000681168 in build_dtor_call (exp=0x7ffff043b8c0, 
    dtor_kind=sfk_complete_destructor, flags=71)
    at ../../src/gcc/cp/init.c:2988
#6  0x0000000000681d16 in build_delete (type=0x7ffff03eb000, 
    addr=0x7ffff0491280, auto_delete=sfk_complete_destructor, flags=71, 
    use_global_delete=0) at ../../src/gcc/cp/init.c:3149
#7  0x0000000000502daa in cxx_maybe_build_cleanup (decl=0x7ffff043b8c0)
    at ../../src/gcc/cp/decl.c:12674
#8  0x00000000006bed0a in build_target_expr (decl=0x7ffff043b8c0, 
    value=0x7ffff0474c30) at ../../src/gcc/cp/tree.c:289
#9  0x00000000006c073f in build_cplus_new (type=0x7ffff03eb000, 
    init=0x7ffff0474fa0) at ../../src/gcc/cp/tree.c:447
---Type <return> to continue, or q <return> to quit---q
Quit
(gdb) f 0
#0  0x00000000005cec03 in is_empty_class (type=0xa5a5a5a5a5a5a5a5)
    at ../../src/gcc/cp/class.c:6524
6524      if (! CLASS_TYPE_P (type))
(gdb) p current_function_decl 
$9 = (tree) 0x0
(gdb) 


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41119

[Bug c++/41119] [4.5 regression] Revision 150805 failed 447.dealII in SPEC CPU 2006

[jason at gcc dot gnu dot org]

------- Comment #5 from jason at gcc dot gnu dot org  2009-08-19 17:14 -------
Subject: Bug 41119

Author: jason
Date: Wed Aug 19 17:14:33 2009
New Revision: 150939

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=150939
Log:
        PR c++/41119
        PR c++/41120
        * decl2.c (mark_used): Increment function_depth during synthesis.
        * parser.c (cp_parser_default_argument): Not here.

Added:
    trunk/gcc/testsuite/g++.dg/other/gc4.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/decl2.c
    trunk/gcc/cp/parser.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41119

[Bug c++/41119] [4.5 regression] Revision 150805 failed 447.dealII in SPEC CPU 2006

[jason at gcc dot gnu dot org]

------- Comment #6 from jason at gcc dot gnu dot org  2009-08-19 18:14 -------


*** This bug has been marked as a duplicate of 41120 ***


-- 

jason at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |DUPLICATE


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41119