[Bug lto/49796] New: [4.7 Regression] 483.xalancbmk/447.dealII in SPEC CPU 2006 failed to build

[Bug lto/49796] New: [4.7 Regression] 483.xalancbmk/447.dealII in SPEC CPU 2006 failed to build

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49796

           Summary: [4.7 Regression] 483.xalancbmk/447.dealII in SPEC CPU
                    2006 failed to build
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com


On Linux/x86-64, revision 176460 gave

g++  -O3 -funroll-loops -ffast-math -fwhole-program -flto=jobserver
-fuse-linker-plugin  -DSPEC_CPU_LP64 ....
...
lto1: error: edge points to wrong declaration:
 <function_decl 0x2b8492a43500
_ZN10xalanc_1_814XalanDOMStringC2EPKtj.constprop.15198
    type <method_type 0x2b8492a42540
        type <void_type 0x2b84920f6bd0 void VOID
            align 8 symtab 0 alias set -1 canonical type 0x2b84920f6bd0
            pointer_to_this <pointer_type 0x2b84920f6c78>>
        QI
        size <integer_cst 0x2b84920f9060 constant 8>
        unit size <integer_cst 0x2b84920f9080 constant 1>
        align 8 symtab 0 alias set -1 canonical type 0x2b8492a42540 method
basetype <record_type 0x2b8492213d20 XalanDOMString>
        arg-types <tree_list 0x2b8492a442a8 value <pointer_type 0x2b8492228000>
            chain <tree_list 0x2b8492a442d0 value <pointer_type 0x2b849222cbd0>
                chain <tree_list 0x2b84920ea618 value <void_type 0x2b84920f6bd0
void>>>>>
    public external QI file XalanDOMString.cpp line 68 col 1 align 16 context
<record_type 0x2b8492213d20 XalanDOMString>
    arguments <parm_decl 0x2b849282caa0 this
        type <pointer_type 0x2b84922280a8 type <record_type 0x2b8492213d20
XalanDOMString>
            readonly unsigned DI
            size <integer_cst 0x2b84920e5ec0 constant 64>
            unit size <integer_cst 0x2b84920e5ee0 constant 8>
            align 64 symtab 0 alias set -1 canonical type 0x2b8492213540
reference_to_this <reference_type 0x2b84938d2150>>
        readonly unsigned DI file XalanDOMString.cpp line 70 col 25 size
<integer_cst 0x2b84920e5ec0 64> unit size <integer_cst 0x2b84920e5ee0 8>
        align 64 context <function_decl 0x2b849282bb00 __base_ctor > arg-type
<pointer_type 0x2b84922280a8>
        chain <parm_decl 0x2b849282cb28 theString type <pointer_type
0x2b849222cbd0>
            used unsigned DI file XalanDOMString.cpp line 69 col 25 size
<integer_cst 0x2b84920e5ec0 64> unit size <integer_cst 0x2b84920e5ee0 8>
            align 64 context <function_decl 0x2b849282bb00 __base_ctor >
arg-type <pointer_type 0x2b849222cbd0> chain <parm_decl 0x2b849282cbb0
theCount>>>
    result <result_decl 0x2b84927fda80 D.5552 type <void_type 0x2b84920f6bd0
void>
        ignored VOID file XalanDOMString.cpp line 80 col 1
        align 8 context <function_decl 0x2b849282bb00 __base_ctor >>>
 Instead of: <function_decl 0x2b8492e2fb00 __comp_ctor 
    type <method_type 0x2b8492830000
        type <void_type 0x2b84920f6bd0 void VOID
            align 8 symtab 0 alias set -1 canonical type 0x2b84920f6bd0
            pointer_to_this <pointer_type 0x2b84920f6c78>>
        QI
        size <integer_cst 0x2b84920f9060 constant 8>
        unit size <integer_cst 0x2b84920f9080 constant 1>
        align 8 symtab 0 alias set -1 canonical type 0x2b8492830000 method
basetype <record_type 0x2b8492213d20 XalanDOMString>
        arg-types <tree_list 0x2b849282e208 value <pointer_type 0x2b8492228000>
            chain <tree_list 0x2b849282e230 value <pointer_type 0x2b849222cbd0>
                chain <tree_list 0x2b849282e258 value <integer_type
0x2b8492213c78 size_type>
                    chain <tree_list 0x2b84920ea618 value <void_type
0x2b84920f6bd0 void>>>>>
        pointer_to_this <pointer_type 0x2b8493574bd0>>
    addressable used public external QI file XalanDOMString.cpp line 68 col 1
align 16 context <record_type 0x2b8492213d20 XalanDOMString>
    arguments <parm_decl 0x2b8492e33088 this
        type <pointer_type 0x2b84922280a8 type <record_type 0x2b8492213d20
XalanDOMString>
            readonly unsigned DI
            size <integer_cst 0x2b84920e5ec0 constant 64>
            unit size <integer_cst 0x2b84920e5ee0 constant 8>
            align 64 symtab 0 alias set -1 canonical type 0x2b8492213540
reference_to_this <reference_type 0x2b84938d2150>>
        readonly used unsigned DI file XalanDOMString.cpp line 70 col 25 size
<integer_cst 0x2b84920e5ec0 64> unit size <integer_cst 0x2b84920e5ee0 8>
        align 64 context <function_decl 0x2b8492e2fb00 __comp_ctor > arg-type
<pointer_type 0x2b84922280a8>
        chain <parm_decl 0x2b8492e33110 theString type <pointer_type
0x2b849222cbd0>
            used unsigned DI file XalanDOMString.cpp line 69 col 25 size
<integer_cst 0x2b84920e5ec0 64> unit size <integer_cst 0x2b84920e5ee0 8>
            align 64 context <function_decl 0x2b8492e2fb00 __comp_ctor >
arg-type <pointer_type 0x2b849222cbd0> chain <parm_decl 0x2b8492e33198
theCount>>>
    result <result_decl 0x2b8492e30380 D.16270 type <void_type 0x2b84920f6bd0
void>
        ignored VOID file XalanDOMString.cpp line 80 col 1
        align 8 context <function_decl 0x2b8492e2fb00 __comp_ctor >>>
problem/1733 @0x2b84923a4a20 (asm:
_ZNK10xalanc_1_814XSLTEngineImpl7problemERKNS_14XalanDOMStringENS_15ProblemListener15eClassificationERKN11xercesc_2_57LocatorEPKNS_9XalanNodeE.13971)
availability:local analyzed body local prevailing_def_ironly finalized
  called by: error/1732 (1.00 per call) (can throw external) warn/254 (0.78 per
call) (can throw external) 
  calls: __cxa_free_exception/2559 __comp_dtor /2539 __comp_dtor /2539
__cxa_throw/2560 (can throw external) __comp_dtor /2539 __comp_dtor /2539
__comp_ctor /1735 _ZN10xalanc_1_814XalanDOMStringC2EPKtj.constprop.15198/778
_ZN10xalanc_1_814XalanDOMStringC2EPKcj.constprop.15237/2562
__cxa_allocate_exception/2563 
  References:  var:theDummy (addr)
var:_ZTIN10xalanc_1_822XSLTProcessorExceptionE (addr) fn:__comp_dtor /257
(addr)
  Refering this function: 
  has 4 outgoing edges for indirect calls.
lto1: internal compiler error: verify_cgraph_node failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[4]: *** [/tmp/ccQtX8la.ltrans6.ltrans.o] Error 1
lto-wrapper: make returned 2 exit status
/usr/local/bin/ld: lto-wrapper failed
collect2: error: ld returned 1 exit status
specmake[3]: *** [Xalan] Error 1

g++  -O3 -funroll-loops -ffast-math -fwhole-program -flto=jobserver
-fuse-linker-plugin  -DSPEC_CPU_LP64 ...
...
lto1: error: edge points to wrong declaration:
 <function_decl 0x2abd3c105500
_ZNSt6vectorIdSaIdEEC2EmRKdRKS0_.local.405.constprop.15751
    type <method_type 0x2abd3c08f0a8
        type <void_type 0x2abd3bf66bd0 void VOID
            align 8 symtab 0 alias set -1 canonical type 0x2abd3bf66bd0
            pointer_to_this <pointer_type 0x2abd3bf66c78>>
        QI
        size <integer_cst 0x2abd3bf69060 constant 8>
        unit size <integer_cst 0x2abd3bf69080 constant 1>
        align 8 symtab 0 alias set -1 canonical type 0x2abd3c08f0a8 method
basetype <record_type 0x2abd3c083b28 vector>
        arg-types <tree_list 0x2abd3c0900f0 value <pointer_type 0x2abd3c08b0a8>
            chain <tree_list 0x2abd3c090118 value <reference_type
0x2abd3c08b150>
                chain <tree_list 0x2abd3c090140 value <reference_type
0x2abd3c08bdc8>
                    chain <tree_list 0x2abd3bf5a618 value <void_type
0x2abd3bf66bd0 void>>>>>>
    public external autoinline QI defer-output file
/export/gnu/import/svn/gcc-test-spec-lto/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/bits/stl_vector.h
line 289 col 7 align 16 context <record_type 0x2abd3c083b28 vector>
    arguments <parm_decl 0x2abd3bf5c908 this
        type <pointer_type 0x2abd3c08f000 type <record_type 0x2abd3c083b28
vector>
            readonly unsigned DI
            size <integer_cst 0x2abd3bf55ec0 constant 64>
            unit size <integer_cst 0x2abd3bf55ee0 constant 8>
            align 64 symtab 0 alias set -1 canonical type 0x2abd3c083498>
        readonly unsigned DI file
/export/gnu/import/svn/gcc-test-spec-lto/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/bits/stl_vector.h
line 290 col 51 size <integer_cst 0x2abd3bf55ec0 64> unit size <integer_cst
0x2abd3bf55ee0 8>
        align 64 context <function_decl 0x2abd3c07ff00 __base_ctor > arg-type
<pointer_type 0x2abd3c08f000>
        chain <parm_decl 0x2abd3bf5c990 __n type <integer_type 0x2abd3c07af18
size_type>
            used unsigned DI file
/export/gnu/import/svn/gcc-test-spec-lto/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/bits/stl_vector.h
line 289 col 24 size <integer_cst 0x2abd3bf55ec0 64> unit size <integer_cst
0x2abd3bf55ee0 8>
            align 64 context <function_decl 0x2abd3c07ff00 __base_ctor >
arg-type <integer_type 0x2abd3c07af18 size_type> chain <parm_decl
0x2abd3bf5ca18 __value>>>
    result <result_decl 0x2abd3bf5e380 D.2159 type <void_type 0x2abd3bf66bd0
void>
        ignored VOID file
/export/gnu/import/svn/gcc-test-spec-lto/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/bits/stl_vector.h
line 292 col 43
        align 8 context <function_decl 0x2abd3c07ff00 __base_ctor >>>
 Instead of: <function_decl 0x2abd3c105300 __comp_ctor 
    type <method_type 0x2abd3c08b000
        type <void_type 0x2abd3bf66bd0 void VOID
            align 8 symtab 0 alias set -1 canonical type 0x2abd3bf66bd0
            pointer_to_this <pointer_type 0x2abd3bf66c78>>
        QI
        size <integer_cst 0x2abd3bf69060 constant 8>
        unit size <integer_cst 0x2abd3bf69080 constant 1>
        align 8 symtab 0 alias set -1 canonical type 0x2abd3c08b000 method
basetype <record_type 0x2abd3c083b28 vector>
        arg-types <tree_list 0x2abd3c07bbb8 value <pointer_type 0x2abd3c08b0a8>
            chain <tree_list 0x2abd3c07bbe0 value <integer_type 0x2abd3c07af18
size_type>
                chain <tree_list 0x2abd3c07bc08 value <reference_type
0x2abd3c08b150>
                    chain <tree_list 0x2abd3c07bfa0 value <reference_type
0x2abd3c08bdc8>
                        chain <tree_list 0x2abd3bf5a618 value <void_type
0x2abd3bf66bd0 void>>>>>>
        pointer_to_this <pointer_type 0x2abd3c1239d8>>
    addressable used public external autoinline QI defer-output file
/export/gnu/import/svn/gcc-test-spec-lto/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/bits/stl_vector.h
line 289 col 7 align 16 context <record_type 0x2abd3c083b28 vector>
    arguments <parm_decl 0x2abd3c1046e8 this
        type <pointer_type 0x2abd3c08f000 type <record_type 0x2abd3c083b28
vector>
            readonly unsigned DI
            size <integer_cst 0x2abd3bf55ec0 constant 64>
            unit size <integer_cst 0x2abd3bf55ee0 constant 8>
            align 64 symtab 0 alias set -1 canonical type 0x2abd3c083498>
        readonly used unsigned DI file
/export/gnu/import/svn/gcc-test-spec-lto/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/bits/stl_vector.h
line 290 col 51 size <integer_cst 0x2abd3bf55ec0 64> unit size <integer_cst
0x2abd3bf55ee0 8>
        align 64 context <function_decl 0x2abd3c105300 __comp_ctor > arg-type
<pointer_type 0x2abd3c08f000>
        chain <parm_decl 0x2abd3c104770 __n type <integer_type 0x2abd3c07af18
size_type>
            used unsigned DI file
/export/gnu/import/svn/gcc-test-spec-lto/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/bits/stl_vector.h
line 289 col 24 size <integer_cst 0x2abd3bf55ec0 64> unit size <integer_cst
0x2abd3bf55ee0 8>
            align 64 context <function_decl 0x2abd3c105300 __comp_ctor >
arg-type <integer_type 0x2abd3c07af18 size_type> chain <parm_decl
0x2abd3c1047f8 __value>>>
    result <result_decl 0x2abd3c106080 D.3535 type <void_type 0x2abd3bf66bd0
void>
        ignored VOID file
/export/gnu/import/svn/gcc-test-spec-lto/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/bits/stl_vector.h
line 292 col 43
        align 8 context <function_decl 0x2abd3c105300 __comp_ctor >>>
lto1: error: edge points to wrong declaration:
 <function_decl 0x2abd3c105500
_ZNSt6vectorIdSaIdEEC2EmRKdRKS0_.local.405.constprop.15751
    type <method_type 0x2abd3c08f0a8
        type <void_type 0x2abd3bf66bd0 void VOID
            align 8 symtab 0 alias set -1 canonical type 0x2abd3bf66bd0
            pointer_to_this <pointer_type 0x2abd3bf66c78>>
        QI
        size <integer_cst 0x2abd3bf69060 constant 8>
        unit size <integer_cst 0x2abd3bf69080 constant 1>
        align 8 symtab 0 alias set -1 canonical type 0x2abd3c08f0a8 method
basetype <record_type 0x2abd3c083b28 vector>
        arg-types <tree_list 0x2abd3c0900f0 value <pointer_type 0x2abd3c08b0a8>
            chain <tree_list 0x2abd3c090118 value <reference_type
0x2abd3c08b150>
                chain <tree_list 0x2abd3c090140 value <reference_type
0x2abd3c08bdc8>
                    chain <tree_list 0x2abd3bf5a618 value <void_type
0x2abd3bf66bd0 void>>>>>>
    public external autoinline QI defer-output file
/export/gnu/import/svn/gcc-test-spec-lto/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/bits/stl_vector.h
line 289 col 7 align 16 context <record_type 0x2abd3c083b28 vector>
    arguments <parm_decl 0x2abd3bf5c908 this
        type <pointer_type 0x2abd3c08f000 type <record_type 0x2abd3c083b28
vector>
            readonly unsigned DI
            size <integer_cst 0x2abd3bf55ec0 constant 64>
            unit size <integer_cst 0x2abd3bf55ee0 constant 8>
            align 64 symtab 0 alias set -1 canonical type 0x2abd3c083498>
        readonly unsigned DI file
/export/gnu/import/svn/gcc-test-spec-lto/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/bits/stl_vector.h
line 290 col 51 size <integer_cst 0x2abd3bf55ec0 64> unit size <integer_cst
0x2abd3bf55ee0 8>
        align 64 context <function_decl 0x2abd3c07ff00 __base_ctor > arg-type
<pointer_type 0x2abd3c08f000>
        chain <parm_decl 0x2abd3bf5c990 __n type <integer_type 0x2abd3c07af18
size_type>
            used unsigned DI file
/export/gnu/import/svn/gcc-test-spec-lto/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/bits/stl_vector.h
line 289 col 24 size <integer_cst 0x2abd3bf55ec0 64> unit size <integer_cst
0x2abd3bf55ee0 8>
            align 64 context <function_decl 0x2abd3c07ff00 __base_ctor >
arg-type <integer_type 0x2abd3c07af18 size_type> chain <parm_decl
0x2abd3bf5ca18 __value>>>
    result <result_decl 0x2abd3bf5e380 D.2159 type <void_type 0x2abd3bf66bd0
void>
        ignored VOID file
/export/gnu/import/svn/gcc-test-spec-lto/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/bits/stl_vector.h
line 292 col 43
        align 8 context <function_decl 0x2abd3c07ff00 __base_ctor >>>
 Instead of: <function_decl 0x2abd3c105300 __comp_ctor 
    type <method_type 0x2abd3c08b000
        type <void_type 0x2abd3bf66bd0 void VOID
            align 8 symtab 0 alias set -1 canonical type 0x2abd3bf66bd0
            pointer_to_this <pointer_type 0x2abd3bf66c78>>
        QI
        size <integer_cst 0x2abd3bf69060 constant 8>
        unit size <integer_cst 0x2abd3bf69080 constant 1>
        align 8 symtab 0 alias set -1 canonical type 0x2abd3c08b000 method
basetype <record_type 0x2abd3c083b28 vector>
        arg-types <tree_list 0x2abd3c07bbb8 value <pointer_type 0x2abd3c08b0a8>
            chain <tree_list 0x2abd3c07bbe0 value <integer_type 0x2abd3c07af18
size_type>
                chain <tree_list 0x2abd3c07bc08 value <reference_type
0x2abd3c08b150>
                    chain <tree_list 0x2abd3c07bfa0 value <reference_type
0x2abd3c08bdc8>
                        chain <tree_list 0x2abd3bf5a618 value <void_type
0x2abd3bf66bd0 void>>>>>>
        pointer_to_this <pointer_type 0x2abd3c1239d8>>
    addressable used public external autoinline QI defer-output file
/export/gnu/import/svn/gcc-test-spec-lto/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/bits/stl_vector.h
line 289 col 7 align 16 context <record_type 0x2abd3c083b28 vector>
    arguments <parm_decl 0x2abd3c1046e8 this
        type <pointer_type 0x2abd3c08f000 type <record_type 0x2abd3c083b28
vector>
            readonly unsigned DI
            size <integer_cst 0x2abd3bf55ec0 constant 64>
            unit size <integer_cst 0x2abd3bf55ee0 constant 8>
            align 64 symtab 0 alias set -1 canonical type 0x2abd3c083498>
        readonly used unsigned DI file
/export/gnu/import/svn/gcc-test-spec-lto/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/bits/stl_vector.h
line 290 col 51 size <integer_cst 0x2abd3bf55ec0 64> unit size <integer_cst
0x2abd3bf55ee0 8>
        align 64 context <function_decl 0x2abd3c105300 __comp_ctor > arg-type
<pointer_type 0x2abd3c08f000>
        chain <parm_decl 0x2abd3c104770 __n type <integer_type 0x2abd3c07af18
size_type>
            used unsigned DI file
/export/gnu/import/svn/gcc-test-spec-lto/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/bits/stl_vector.h
line 289 col 24 size <integer_cst 0x2abd3bf55ec0 64> unit size <integer_cst
0x2abd3bf55ee0 8>
            align 64 context <function_decl 0x2abd3c105300 __comp_ctor >
arg-type <integer_type 0x2abd3c07af18 size_type> chain <parm_decl
0x2abd3c1047f8 __value>>>
    result <result_decl 0x2abd3c106080 D.3535 type <void_type 0x2abd3bf66bd0
void>
        ignored VOID file
/export/gnu/import/svn/gcc-test-spec-lto/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/bits/stl_vector.h
line 292 col 43
        align 8 context <function_decl 0x2abd3c105300 __comp_ctor >>>
compute_coefficients/0 @0x2abd3c1216c0 (asm:
_ZN11Polynomials12Hierarchical20compute_coefficientsEj) availability:local
analyzed reachable_from_other_partition body local prevailing_def_ironly
finalized
  called by: compute_coefficients/0 (0.18 per call) (can throw external)
compute_coefficients/0 (0.07 per call) (can throw external) 
  calls: operator delete/624 operator delete/624 operator delete/624 operator
delete/624 __comp_ctor /625 (0.18 per call) operator new/626 (0.18 per call)
(can throw external) compute_coefficients/0 (0.18 per call) (can throw
external) _ZNSt6vectorIdSaIdEEC2EmRKdRKS0_.local.405.constprop.15750/2
(inlined) (0.07 per call) operator new/626 (0.07 per call) (can throw external)
compute_coefficients/0 (0.07 per call) (can throw external)
_ZNSt6vectorIdSaIdEEC2EmRKdRKS0_.local.405.constprop.15751/627 (0.04 per call)
operator new/626 (0.04 per call) (can throw external)
_ZNSt6vectorIdSaIdEEC2EmRKdRKS0_.local.405.constprop.15751/627 (0.04 per call)
operator new/626 (0.04 per call) (can throw external)
_ZNSt6vectorIPKS_IdSaIdEESaIS3_EE6resizeEmS3_.local.5880.constprop.15644/12
(inlined) (0.29 per call) (can throw external) 
  References:  var:recursive_coefficients (read) var:recursive_coefficients
(read) var:recursive_coefficients (addr) var:recursive_coefficients (read)
var:recursive_coefficients (read) var:recursive_coefficients (read)
var:recursive_coefficients (read)
  Refering this function: 
lto1: internal compiler error: verify_cgraph_node failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[4]: *** [/tmp/ccPXHXxM.ltrans26.ltrans.o] Error 1
lto-wrapper: make returned 2 exit status
/usr/local/bin/ld: lto-wrapper failed
collect2: error: ld returned 1 exit status
specmake[3]: *** [dealII] Error 1

Revision 176370 is OK.

[Bug lto/49796] [4.7 Regression] 483.xalancbmk/447.dealII in SPEC CPU 2006 failed to build

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49796

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.7.0

[Bug lto/49796] [4.7 Regression] 483.xalancbmk/447.dealII in SPEC CPU 2006 failed to build

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49796

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jamborm at gcc dot gnu.org

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-07-20 15:38:17 UTC ---
Likely caused by the IPA-CP rewrite.

[Bug lto/49796] [4.7 Regression] 483.xalancbmk/447.dealII in SPEC CPU 2006 failed to build

[jamborm at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49796

Martin Jambor <jamborm at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2011.07.20 16:39:51
         AssignedTo|unassigned at gcc dot       |jamborm at gcc dot gnu.org
                   |gnu.org                     |
     Ever Confirmed|0                           |1

--- Comment #2 from Martin Jambor <jamborm at gcc dot gnu.org> 2011-07-20 16:39:51 UTC ---
Indeed.  It is strange I did not hit this bug when I was examining the impact
of IPA-CP on SPEC.  However, it is most probably a bug in the verifier. Anyway,
mine.

[Bug lto/49796] [4.7 Regression] 483.xalancbmk/447.dealII in SPEC CPU 2006 failed to build

[jamborm at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49796

Martin Jambor <jamborm at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |hubicka at gcc dot gnu.org

--- Comment #3 from Martin Jambor <jamborm at gcc dot gnu.org> 2011-07-21 12:22:33 UTC ---
verify_edge_corresponds_to_fndecl fails.  The reason is that
e->callee->former_clone_of is NULL.  Since e->callee is
_ZN10xalanc_1_814XalanDOMStringC2EPKtj.constprop.15198, that is
clearly incorrect.

Moreover, the node corresponding to decl, which is "__comp_ctor," does
not have an alias flag set.  I think that the name implies it should
be set too.  gimple_has_body returns false for it and, perhaps most
importantly, it's analyzed flag and analyzed flag of
e->callee->analyzed are cleared too.

This is all in ltrans stage of LTO.  I assume the flags are weird here
because the cloned function, its original and its alias end up in a
different partition.  I have tried building with -flto-partition=none
and it succeeded which supports this theory.

Perhaps we just should not do this check for !analyzed nodes?  Or
should we try to stream this info into different partitions too?
Honza?

[Bug lto/49796] [4.7 Regression] 483.xalancbmk/447.dealII in SPEC CPU 2006 failed to build

[jamborm at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49796

--- Comment #4 from Martin Jambor <jamborm at gcc dot gnu.org> 2011-07-22 11:23:42 UTC ---
Patch submitted to the mailing list:
http://gcc.gnu.org/ml/gcc-patches/2011-07/msg01925.html

[Bug lto/49796] [4.7 Regression] 483.xalancbmk/447.dealII in SPEC CPU 2006 failed to build

[jamborm at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49796

--- Comment #5 from Martin Jambor <jamborm at gcc dot gnu.org> 2011-07-22 15:35:54 UTC ---
Author: jamborm
Date: Fri Jul 22 15:35:48 2011
New Revision: 176630

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176630
Log:
2011-07-22  Martin Jambor  <mjambor@suse.cz>

    PR lto/49796
    * cgraphunit.c (verify_edge_corresponds_to_fndecl): Return false
    if decl node is in another partition, call cgraph_get_node only
    once.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cgraphunit.c

[Bug lto/49796] [4.7 Regression] 483.xalancbmk/447.dealII in SPEC CPU 2006 failed to build

[jamborm at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49796

Martin Jambor <jamborm at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #6 from Martin Jambor <jamborm at gcc dot gnu.org> 2011-07-22 15:39:43 UTC ---
Should be fixed now.