[Bug c++/64751] New: internal compiler error: in gen_type_die_with_usage, at dwarf2out.c:19486

[Bug c++/64751] New: internal compiler error: in gen_type_die_with_usage, at dwarf2out.c:19486

[zzt13 at software dot nju.edu.cn]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64751

            Bug ID: 64751
           Summary: internal compiler error: in gen_type_die_with_usage,
                    at dwarf2out.c:19486
           Product: gcc
           Version: 4.8.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: zzt13 at software dot nju.edu.cn

Created attachment 34555
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34555&action=edit
The console output(I pasted it into the temp file) and a temp file when using
`-v -save-temps` produces.

When compiling my program, gcc told me there is a internal compiler error as
above said. The error is disappear is I comment all header of standard libary
of c++.

[Bug c++/64751] internal compiler error: in gen_type_die_with_usage, at dwarf2out.c:19486

[zzt13 at software dot nju.edu.cn]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64751

--- Comment #1 from zzt <zzt13 at software dot nju.edu.cn> ---
*** Bug 64750 has been marked as a duplicate of this bug. ***

[Bug c++/64751] internal compiler error: in gen_type_die_with_usage, at dwarf2out.c:19486

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64751

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2015-01-23
     Ever confirmed|0                           |1

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
Please also provide the testcase with standard include for libstdc++, like

#include <iostream>
....

using std::vector;
using std::string;
using std::map;
...

[Bug c++/64751] internal compiler error: in gen_type_die_with_usage, at dwarf2out.c:19486

[zzt13 at software dot nju.edu.cn]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64751

--- Comment #3 from zzt <zzt13 at software dot nju.edu.cn> ---
Created attachment 34559
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34559&action=edit
Add a test case

[Bug c++/64751] internal compiler error: in gen_type_die_with_usage, at dwarf2out.c:19486

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64751

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |NEW

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.  The testcase is rejected with GCC 4.9+ with

.C: In member function ‘void Trie_tree::dfs(Out, Node*)’:
t.C:146:50: error: no matching function for call to ‘Node::next_son(Node*&)’
     for (; son != NULL; son = (root->next_son(son))->second) {
                                                  ^
t.C:146:50: note: candidate is:
t.C:41:10: note: auto Node::next_son(std::map<char, Node*>::iterator)
     auto next_son(map<char, Node*>::iterator it){
          ^
t.C:41:10: note:   no known conversion for argument 1 from ‘Node*’ to
‘std::map<char, Node*>::iterator {aka std::_Rb_tree_iterator<std::pair<const
char, Node*> >}’

while 4.8 accepts it and later ICEs:

> /space/rguenther/install/gcc-4.8.3/bin/g++ -S -std=c++1y -g t.C
t.C:14:7: internal compiler error: in gen_type_die_with_usage, at
dwarf2out.c:19484
 class Node {
       ^
0x86bb26 gen_type_die_with_usage
        /space/rguenther/src/svn/gcc-4_8-branch/gcc/dwarf2out.c:19484
0x868a85 gen_decl_die
        /space/rguenther/src/svn/gcc-4_8-branch/gcc/dwarf2out.c:19978
0x86a91c gen_member_die
        /space/rguenther/src/svn/gcc-4_8-branch/gcc/dwarf2out.c:19045
0x86a91c gen_struct_or_union_type_die
        /space/rguenther/src/svn/gcc-4_8-branch/gcc/dwarf2out.c:19117
0x86a91c gen_tagged_type_die
        /space/rguenther/src/svn/gcc-4_8-branch/gcc/dwarf2out.c:19307
0x86bb0d gen_type_die_with_usage
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idd755

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

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

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Indeed.