[Bug middle-end/53865] [4.8 Regression] 176.gcc in SPEC CPU 2000 failed to build with LTO

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53865

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

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution||FIXED

--- Comment #6 from H.J. Lu hjl.tools at gmail dot com 2012-08-04 01:17:51 
UTC ---
Fixed.

[Bug middle-end/53865] [4.8 Regression] 176.gcc in SPEC CPU 2000 failed to build with LTO

[hjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53865

--- Comment #5 from hjl at gcc dot gnu.org hjl at gcc dot gnu.org 2012-08-02 
16:58:42 UTC ---
Author: hjl
Date: Thu Aug  2 16:58:33 2012
New Revision: 190090

URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=190090
Log:
Add free inline summary pass after pass_early_local_passes 

PR middle-end/53321
PR middle-end/53865
* ipa-inline-analysis.c (inline_free_summary): Return if
inline_edge_summary_vec is NULL.

* ipa-split.c (execute_split_functions): Check if a function
is inlinable only if inline_edge_summary_vec != NULL.

* ipa.c (symtab_remove_unreachable_nodes): Restore
cgraph_propagate_frequency call when something was changed.
(free_inline_summary): New function.
(pass_ipa_free_inline_summary): New pass.

* passes.c (init_optimization_passes): Add
pass_ipa_free_inline_summary before pass_ipa_tree_profile.

* timevar.def (TV_IPA_FREE_INLINE_SUMMARY): New.

* tree-pass.h (pass_ipa_free_inline_summary): New.

Modified:
trunk/gcc/ChangeLog
trunk/gcc/ipa-inline-analysis.c
trunk/gcc/ipa-split.c
trunk/gcc/ipa.c
trunk/gcc/passes.c
trunk/gcc/timevar.def
trunk/gcc/tree-pass.h

[Bug middle-end/53865] [4.8 Regression] 176.gcc in SPEC CPU 2000 failed to build with LTO

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53865

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

   What|Removed |Added

 CC||ubizjak at gmail dot com

--- Comment #4 from H.J. Lu hjl.tools at gmail dot com 2012-07-06 14:13:30 
UTC ---
This is caused by revision 189261:

http://gcc.gnu.org/ml/gcc-cvs/2012-07/msg00165.html

[Bug middle-end/53865] [4.8 Regression] 176.gcc in SPEC CPU 2000 failed to build with LTO

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53865

Richard Guenther rguenth at gcc dot gnu.org changed:

   What|Removed |Added

 Status|UNCONFIRMED |WAITING
   Last reconfirmed||2012-07-05
   Target Milestone|--- |4.8.0
 Ever Confirmed|0   |1

--- Comment #1 from Richard Guenther rguenth at gcc dot gnu.org 2012-07-05 
13:33:59 UTC ---
dwarfout.c:3116:1: internal compiler error: Aborted

we usually do not abort - instead this looks like gmp/mpfr crashing?

[Bug middle-end/53865] [4.8 Regression] 176.gcc in SPEC CPU 2000 failed to build with LTO

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53865

--- Comment #2 from H.J. Lu hjl.tools at gmail dot com 2012-07-05 17:21:09 
UTC ---
Created attachment 27747
  -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=27747
A testcase

(gdb) r -quiet -dumpdir ./ -dumpbase cc1.ltrans6 -mfpmath=sse -mtune=generic
-march=x86-64 -m32 -msse2 -mfpmath=sse -mtune=generic -march=x86-64
-auxbase-strip cc1.ltrans6.ltrans.o -O3 -version -funroll-loops -ffast-math
-fwhole-program -fuse-linker-plugin -fltrans cc1.ltrans6.o -o cc1.ltrans6.s
Starting program: /export/build/gnu/gcc/build-x86_64-linux/gcc/lto1 -quiet
-dumpdir ./ -dumpbase cc1.ltrans6 -mfpmath=sse -mtune=generic -march=x86-64
-m32 -msse2 -mfpmath=sse -mtune=generic -march=x86-64 -auxbase-strip
cc1.ltrans6.ltrans.o -O3 -version -funroll-loops -ffast-math -fwhole-program
-fuse-linker-plugin -fltrans cc1.ltrans6.o -o cc1.ltrans6.s
GNU GIMPLE (GCC) version 4.8.0 20120705 (experimental)
(x86_64-unknown-linux-gnu)
compiled by GNU C version 4.6.3 20120306 (Red Hat 4.6.3-2), GMP version
4.3.2, MPFR version 3.0.1, MPC version 0.8.3-dev
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU GIMPLE (GCC) version 4.8.0 20120705 (experimental)
(x86_64-unknown-linux-gnu)
compiled by GNU C version 4.6.3 20120306 (Red Hat 4.6.3-2), GMP version
4.3.2, MPFR version 3.0.1, MPC version 0.8.3-dev
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096

Program received signal SIGABRT, Aborted.
0x0035a6a352f5 in raise () from /lib64/libc.so.6
(gdb) bt
#0  0x0035a6a352f5 in raise () from /lib64/libc.so.6
#1  0x0035a6a36c0b in abort () from /lib64/libc.so.6
#2  0x0119cd71 in htab_clear_slot (htab=0x71b948c0, slot=0x0)
at /export/gnu/import/git/gcc/libiberty/hashtab.c:756
#3  0x00a4c576 in remove_referenced_var (var=0x70fbb3c0)
at /export/gnu/import/git/gcc/gcc/tree-dfa.c:605
#4  0x00b785f1 in remove_unused_locals ()
at /export/gnu/import/git/gcc/gcc/tree-ssa-live.c:834
#5  0x0090e13e in execute_function_todo (data=0x208a24)
at /export/gnu/import/git/gcc/gcc/passes.c:1793
#6  0x0090dbcb in do_per_function (
callback=0x90e034 execute_function_todo, data=0x208a24)
at /export/gnu/import/git/gcc/gcc/passes.c:1646
#7  0x0090e2a8 in execute_todo (flags=2132516)
at /export/gnu/import/git/gcc/gcc/passes.c:1842
#8  0x0090e6f1 in execute_one_ipa_transform_pass (node=0x715e7ea0, 
ipa_pass=0x17ba300) at /export/gnu/import/git/gcc/gcc/passes.c:2020
#9  0x0090e7a1 in execute_all_ipa_transforms ()
at /export/gnu/import/git/gcc/gcc/passes.c:2045
#10 0x005826ae in expand_function (node=0x715e7ea0)
at /export/gnu/import/git/gcc/gcc/cgraphunit.c:1608
#11 0x00582d98 in expand_all_functions ()
at /export/gnu/import/git/gcc/gcc/cgraphunit.c:1720
---Type return to continue, or q return to quit---
#12 0x005838b0 in compile ()
at /export/gnu/import/git/gcc/gcc/cgraphunit.c:2018
#13 0x004b9d43 in lto_main ()
at /export/gnu/import/git/gcc/gcc/lto/lto.c:2120
#14 0x00a033db in compile_file ()
at /export/gnu/import/git/gcc/gcc/toplev.c:550
#15 0x00a05370 in do_compile ()
at /export/gnu/import/git/gcc/gcc/toplev.c:1867
#16 0x00a054e0 in toplev_main (argc=26, argv=0x7fffe1b8)
at /export/gnu/import/git/gcc/gcc/toplev.c:1943
#17 0x01133bcc in main (argc=26, argv=0x7fffe1b8)
at /export/gnu/import/git/gcc/gcc/main.c:36
(gdb) f 3
#3  0x00a4c576 in remove_referenced_var (var=0x70fbb3c0)
at /export/gnu/import/git/gcc/gcc/tree-dfa.c:605
605  htab_clear_slot (gimple_referenced_vars (cfun), loc);
(gdb) p loc
$1 = (void **) 0x0
(gdb)

[Bug middle-end/53865] [4.8 Regression] 176.gcc in SPEC CPU 2000 failed to build with LTO

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53865

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

   What|Removed |Added

 Status|WAITING |NEW

--- Comment #3 from H.J. Lu hjl.tools at gmail dot com 2012-07-05 17:33:29 
UTC ---
abort comes from htab_clear_slot in libiberty/hashtab.c.