[Bug c++/50896] New: FAIL: [4.7 Regression] g++.dg/lto/20100302 cp_lto_20100302_0.o-cp_lto_20100302_1.o link, -flto -fabi-version=2 (internal compiler error)

[Bug c++/50896] New: FAIL: [4.7 Regression] g++.dg/lto/20100302 cp_lto_20100302_0.o-cp_lto_20100302_1.o link, -flto -fabi-version=2 (internal compiler error)

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50896

             Bug #: 50896
           Summary: FAIL: [4.7 Regression] g++.dg/lto/20100302
                    cp_lto_20100302_0.o-cp_lto_20100302_1.o link, -flto
                    -fabi-version=2 (internal compiler error)
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Keywords: lto
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: rguenth@gcc.gnu.org
                CC: hubicka@gcc.gnu.org, jason@gcc.gnu.org


The weak alias changes probably caused

FAIL: g++.dg/lto/20100302 cp_lto_20100302_0.o-cp_lto_20100302_1.o link, -flto
-fabi-version=2 (internal compiler error)

which has

Breakpoint 1, fancy_abort (
    file=0x136a758 "/space/rguenther/src/svn/trunk/gcc/varasm.c", line=1141, 
    function=0x136d2c8 "make_decl_rtl")
    at /space/rguenther/src/svn/trunk/gcc/diagnostic.c:899
899       internal_error ("in %s, at %s:%d", function, trim_filename (file),
line);
(gdb) up
#1  0x0000000000d7d415 in make_decl_rtl (decl=0x2aaaace9e140)
    at /space/rguenther/src/svn/trunk/gcc/varasm.c:1137
1137      gcc_assert (TREE_CODE (decl) != VAR_DECL
(gdb) l
1132      /* Check that we are not being given an automatic variable.  */
1133      gcc_assert (TREE_CODE (decl) != PARM_DECL
1134                  && TREE_CODE (decl) != RESULT_DECL);
1135
1136      /* A weak alias has TREE_PUBLIC set but not the other bits.  */
1137      gcc_assert (TREE_CODE (decl) != VAR_DECL
1138                  || TREE_STATIC (decl)
1139                  || TREE_PUBLIC (decl)
1140                  || DECL_EXTERNAL (decl)
1141                  || DECL_REGISTER (decl));

(gdb) call debug_tree (decl)
 <var_decl 0x2aaaace9e140 _ZN1AIDv4_fE1tE
    type <vector_type 0x2aaaacfc3348 mm128
        type <real_type 0x2aaaacea3e70 float SF
            size <integer_cst 0x2aaaacea6240 constant 32>
            unit size <integer_cst 0x2aaaacea6260 constant 4>
            align 32 symtab 0 alias set -1 canonical type 0x2aaaacea3e70
precision 32
            pointer_to_this <pointer_type 0x2aaaaceb10a8>>
        V4SF
        size <integer_cst 0x2aaaacea6400 constant 128>
        unit size <integer_cst 0x2aaaacea6420 constant 16>
        align 128 symtab 0 alias set -1 canonical type 0x2aaaacfc33f0 nunits 4
        pointer_to_this <pointer_type 0x2aaaacfc32a0>>
    addressable used ignored V4SF file
/space/rguenther/src/svn/trunk/gcc/testsuite/g++.dg/lto/20100302_0.C line 9 col
19 size <integer_cst 0x2aaaacea6400 128> unit size <integer_cst 0x2aaaacea6420
16>
    align 128>

Possibly also a frontend issue(?)

[Bug c++/50896] FAIL: [4.7 Regression] g++.dg/lto/20100302 cp_lto_20100302_0.o-cp_lto_20100302_1.o link, -flto -fabi-version=2 (internal compiler error)

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50896

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

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

[Bug c++/50896] [4.7 Regression] FAIL: g++.dg/lto/20100302 cp_lto_20100302_0.o-cp_lto_20100302_1.o link, -flto -fabi-version=2 (internal compiler error)

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50896

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1
            Summary|FAIL: [4.7 Regression]      |[4.7 Regression] FAIL:
                   |g++.dg/lto/20100302         |g++.dg/lto/20100302
                   |cp_lto_20100302_0.o-cp_lto_ |cp_lto_20100302_0.o-cp_lto_
                   |20100302_1.o link, -flto    |20100302_1.o link, -flto
                   |-fabi-version=2 (internal   |-fabi-version=2 (internal
                   |compiler error)             |compiler error)

[Bug c++/50896] [4.7 Regression] FAIL: g++.dg/lto/20100302 cp_lto_20100302_0.o-cp_lto_20100302_1.o link, -flto -fabi-version=2 (internal compiler error)

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50896

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

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

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-12-07 13:31:35 UTC ---
dup

*** This bug has been marked as a duplicate of bug 50601 ***