[Bug bootstrap/66638] [6 Regression] profiledbootstrap failure on x86-64 with LTO

["hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66638

--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
r225008 gave me:

../../src-trunk/gcc/../libcpp/include/line-map.h: In function
‘linemap_check_ordinary’:
../../src-trunk/gcc/../libcpp/include/line-map.h:325:10: internal compiler
error: in check_die, at dwarf2out.c:5746
0x7f3589 check_die
        ../../src-trunk/gcc/dwarf2out.c:5742
0x834ff0 dwarf2out_decl
        ../../src-trunk/gcc/dwarf2out.c:21918
0x8353cb dwarf2out_function_decl
        ../../src-trunk/gcc/dwarf2out.c:21927
0x8e819e rest_of_handle_final
        ../../src-trunk/gcc/final.c:4494
0x8e819e execute
        ../../src-trunk/gcc/final.c:4536
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[7]: *** [/tmp/ccRu9AVe.ltrans0.ltrans.o] Error 1
lto-wrapper: fatal error: make returned 2 exit status
compilation terminated.
/usr/local/bin/ld: error: lto-wrapper failed
collect2: error: ld returned 1 exit status
make[6]: *** [f951] Error 1
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Subject: [Bug c/66682] Lots of macro expansion, very slow compilation
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66682

Manuel López-Ibáñez <manu at gcc dot gnu.org> changed:

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

--- Comment #1 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
What happens if you try with -ftrack-macro-expansion=0 ?
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Subject: [Bug debug/66301] internal compiler error when using -fopt-info
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idf301

--- Comment #6 from Martin Jambor <jamborm at gcc dot gnu.org> ---
Author: jamborm
Date: Fri Jun 26 14:59:11 2015
New Revision: 225019

URL: https://gcc.gnu.org/viewcvs?rev"5019&root=gcc&view=rev
Log:
Fix PR 66301 - check for dump_file in eliminate_dom_walker::before_dom_children

2015-06-26  Martin Jambor  <mjambor@suse.cz>

        PR debug/66301
        * tree-ssa-pre.c (before_dom_children): Check that dump_file is not
        NULL instead of calling dump_enabled_p.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-pre.c