[Bug other/57985] New: ICE in cgraph_function_node with -fprofile-arcs -O2

[Bug other/57985] New: ICE in cgraph_function_node with -fprofile-arcs -O2

[sbergman at redhat dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57985

            Bug ID: 57985
           Summary: ICE in cgraph_function_node with -fprofile-arcs -O2
           Product: gcc
           Version: 4.8.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: other
          Assignee: unassigned at gcc dot gnu.org
          Reporter: sbergman at redhat dot com

Happens with both Fedora's gcc-4.8.1-1.fc19.x86_64 as well as a local build of
plain <svn://gcc.gnu.org/svn/gcc/tags/gcc_4_8_1_release>:

> $ cat test.cc
> struct R1 { virtual void f1() = 0; };
> struct R2: R1 {};
> struct S1: R1 { virtual void f1(); };
> struct S2: S1, R2 { virtual void f1() { S1::f1(); } };
> struct S3: S2 { S3(); };
> struct S4: S3 { virtual void f2(); };
> struct T { T(R2 * p) { p->f1(); } };
> void f() { T(new S4); }
> $ g++ -fprofile-arcs -O2 test.cc
> test.cc: In function ‘void f()’:
> test.cc:8:6: internal compiler error: Segmentation fault
>  void f() { T(new S4); }
>       ^
> 0x89ffef crash_signal
> 	../../src/gcc_4_8_1_release/gcc/toplev.c:332
> 0xc4155c cgraph_function_node
> 	../../src/gcc_4_8_1_release/gcc/cgraph.h:1250
> 0xc4155c ipa_reference_get_not_read_global(cgraph_node*)
> 	../../src/gcc_4_8_1_release/gcc/ipa-reference.c:180
> 0x9180cd ref_maybe_used_by_call_p_1
> 	../../src/gcc_4_8_1_release/gcc/tree-ssa-alias.c:1389
> 0x9180cd ref_maybe_used_by_call_p
> 	../../src/gcc_4_8_1_release/gcc/tree-ssa-alias.c:1446
> 0x9180cd ref_maybe_used_by_stmt_p(gimple_statement_d*, tree_node*)
> 	../../src/gcc_4_8_1_release/gcc/tree-ssa-alias.c:1478
> 0x931190 dse_possible_dead_store_p
> 	../../src/gcc_4_8_1_release/gcc/tree-ssa-dse.c:150
> 0x931190 dse_optimize_stmt
> 	../../src/gcc_4_8_1_release/gcc/tree-ssa-dse.c:228
> 0x931190 dse_enter_block
> 	../../src/gcc_4_8_1_release/gcc/tree-ssa-dse.c:287
> 0xc05c6a walk_dominator_tree(dom_walk_data*, basic_block_def*)
> 	../../src/gcc_4_8_1_release/gcc/domwalk.c:187
> 0x930df3 tree_ssa_dse
> 	../../src/gcc_4_8_1_release/gcc/tree-ssa-dse.c:327
>From gcc-bugs-return-426700-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Thu Jul 25 13:41:09 2013
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From: "dave.anglin at bell dot net" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/57821] 'array is too large' error is missing when sizetype overflows
Date: Thu, 25 Jul 2013 13:41:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?idW821

--- Comment #8 from dave.anglin at bell dot net ---
On 25-Jul-13, at 12:51 AM, jasonwucj at gmail dot com wrote:

> John, does your case happen on 32-bit only as well?

Yes.

--
John David Anglin    dave.anglin@bell.net

[Bug tree-optimization/57985] [4.8 Regression] ICE in cgraph_function_node with -fprofile-arcs -O2

[mpolacek at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57985

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2013-09-02
                 CC|                            |mpolacek at gcc dot gnu.org
            Summary|ICE in cgraph_function_node |[4.8 Regression] ICE in
                   |with -fprofile-arcs -O2     |cgraph_function_node with
                   |                            |-fprofile-arcs -O2
     Ever confirmed|0                           |1

--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Confirmed with 4.8.  Trunk/4.7 seem to be fine.

[Bug tree-optimization/57985] [4.8 Regression] ICE in cgraph_function_node with -fprofile-arcs -O2

[mpolacek at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57985

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Fixed by r199422 - doesn't seem to be easily backportable.

[Bug tree-optimization/57985] [4.8 Regression] ICE in cgraph_function_node with -fprofile-arcs -O2

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57985

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |4.9.0
   Target Milestone|---                         |4.8.3

[Bug tree-optimization/57985] [4.8 Regression] ICE in cgraph_function_node with -fprofile-arcs -O2

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57985

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.8.3                       |4.8.4

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 4.8.3 is being released, adjusting target milestone.

[Bug tree-optimization/57985] [4.8 Regression] ICE in cgraph_function_node with -fprofile-arcs -O2

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57985

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P2

[Bug tree-optimization/57985] [4.8 Regression] ICE in cgraph_function_node with -fprofile-arcs -O2

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57985

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|4.8.4                       |4.8.5

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 4.8.4 has been released.

[Bug tree-optimization/57985] [4.8 Regression] ICE in cgraph_function_node with -fprofile-arcs -O2

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57985

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
   Target Milestone|4.8.5                       |4.9.0
      Known to fail|                            |4.8.5

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed for 4.9.0.