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* [Bug ipa/66705] New: [5/6 Regression] section is missing linker error with -flto -fipa-pta
@ 2015-06-30 12:41 trippels at gcc dot gnu.org
2015-06-30 13:03 ` [Bug ipa/66705] " trippels at gcc dot gnu.org
` (8 more replies)
0 siblings, 9 replies; 10+ messages in thread
From: trippels at gcc dot gnu.org @ 2015-06-30 12:41 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66705
Bug ID: 66705
Summary: [5/6 Regression] section is missing linker error with
-flto -fipa-pta
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: ipa
Assignee: unassigned at gcc dot gnu.org
Reporter: trippels at gcc dot gnu.org
CC: hubicka at gcc dot gnu.org
Target Milestone: ---
For example:
markus@x4 ~ % g++ -O2 -flto -fipa-pta -w tramp3d-v4.cpp
lto1: fatal error: /tmp/ccIP6ytn.ltrans0.o: section _ZTVN6Smarts8RunnableE is
missing
compilation terminated.
lto-wrapper: fatal error: /usr/x86_64-pc-linux-gnu/gcc-bin/5.1.1/g++ returned 1
exit status
compilation terminated.
/usr/lib/gcc/x86_64-pc-linux-gnu/5.1.1/../../../../x86_64-pc-linux-gnu/bin/ld:
fatal error: lto-wrapper failed
collect2: error: ld returned 1 exit status
markus@x4 ~ % c++filt _ZTVN6Smarts8RunnableE
vtable for Smarts::Runnable
Reducing...
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug ipa/66705] [5/6 Regression] section is missing linker error with -flto -fipa-pta
2015-06-30 12:41 [Bug ipa/66705] New: [5/6 Regression] section is missing linker error with -flto -fipa-pta trippels at gcc dot gnu.org
@ 2015-06-30 13:03 ` trippels at gcc dot gnu.org
2015-06-30 13:25 ` rguenth at gcc dot gnu.org
` (7 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: trippels at gcc dot gnu.org @ 2015-06-30 13:03 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66705
--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
trippels@gcc75 ~ % cat tramp3d-v4.ii
class A {
public:
A();
};
int a = 0;
void foo() {
a = 0;
A b;
for (; a;)
;
}
trippels@gcc75 ~ % g++ -r -nostdlib -O2 -flto -flto-partition=max -fipa-pta
tramp3d-v4.ii
lto1: fatal error: /home/trippels/tmp/cccC3PXI.ltrans0.o: section a is missing
compilation terminated.
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug ipa/66705] [5/6 Regression] section is missing linker error with -flto -fipa-pta
2015-06-30 12:41 [Bug ipa/66705] New: [5/6 Regression] section is missing linker error with -flto -fipa-pta trippels at gcc dot gnu.org
2015-06-30 13:03 ` [Bug ipa/66705] " trippels at gcc dot gnu.org
@ 2015-06-30 13:25 ` rguenth at gcc dot gnu.org
2015-06-30 13:27 ` rguenth at gcc dot gnu.org
` (6 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-06-30 13:25 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66705
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-06-30
Target Milestone|--- |5.2
Ever confirmed|0 |1
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.
Breakpoint 1, fatal_error (loc=0, gmsgid=0x1783549 "%s: section %s is missing")
at /space/rguenther/src/svn/gcc-5-branch/gcc/diagnostic.c:1203
1203 va_start (ap, gmsgid);
Missing separate debuginfos, use: zypper install
libgmp10-debuginfo-6.0.0-71.1.x86_64 libisl13-debuginfo-0.14-25.2.x86_64
libmpc3-debuginfo-1.0.2-38.2.x86_64 libmpfr4-debuginfo-3.1.2-3.1.2.x86_64
(gdb) up
#1 0x0000000000fe0387 in varpool_node::get_constructor (this=0x7ffff6ac4000)
at /space/rguenther/src/svn/gcc-5-branch/gcc/varpool.c:328
328 name);
(gdb) l
323 data = lto_get_section_data (file_data, LTO_section_function_body,
324 name, &len);
325 if (!data)
326 fatal_error (input_location, "%s: section %s is missing",
327 file_data->file_name,
328 name);
(gdb) up
#2 0x0000000000eacc07 in create_variable_info_for (decl=0x7ffff68d7900,
name=0x1763482 "NULL")
at /space/rguenther/src/svn/gcc-5-branch/gcc/tree-ssa-structalias.c:5808
5808 if (vnode->get_constructor ()
(gdb) l
5803 if (!vnode->all_refs_explicit_p ())
5804 make_copy_constraint (vi, nonlocal_id);
5805
5806 /* If this is a global variable with an initializer and we
are in
5807 IPA mode generate constraints for it. */
5808 if (vnode->get_constructor ()
5809 && vnode->definition)
so IPA PTA needs to guard ->get_constructor () somehow? That is, it
doesn't return NULL_TREE when it cant' get its hands on it?
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug ipa/66705] [5/6 Regression] section is missing linker error with -flto -fipa-pta
2015-06-30 12:41 [Bug ipa/66705] New: [5/6 Regression] section is missing linker error with -flto -fipa-pta trippels at gcc dot gnu.org
2015-06-30 13:03 ` [Bug ipa/66705] " trippels at gcc dot gnu.org
2015-06-30 13:25 ` rguenth at gcc dot gnu.org
@ 2015-06-30 13:27 ` rguenth at gcc dot gnu.org
2015-07-16 9:11 ` rguenth at gcc dot gnu.org
` (5 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-06-30 13:27 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66705
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
(gdb) p debug_tree (decl)
<var_decl 0x7ffff68d7900 a
type <integer_type 0x7ffff68d0690 int public SI
size <integer_cst 0x7ffff68ccdf8 constant 32>
unit size <integer_cst 0x7ffff68cce10 constant 4>
align 32 symtab 0 alias set -1 canonical type 0x7ffff68d0690 precision
32 min <integer_cst 0x7ffff68ccdb0 -2147483648> max <integer_cst 0x7ffff68ccdc8
2147483647>
pointer_to_this <pointer_type 0x7ffff68e77e0>>
public external SI file t.ii line 5 col 5 size <integer_cst 0x7ffff68ccdf8
32> unit size <integer_cst 0x7ffff68cce10 4>
align 32 context <translation_unit_decl 0x7ffff7ff11e0 D.3949> initial
<error_mark 0x7ffff68ccba0>>
so it's just a global (in another partition I suppose) ...
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug ipa/66705] [5/6 Regression] section is missing linker error with -flto -fipa-pta
2015-06-30 12:41 [Bug ipa/66705] New: [5/6 Regression] section is missing linker error with -flto -fipa-pta trippels at gcc dot gnu.org
` (2 preceding siblings ...)
2015-06-30 13:27 ` rguenth at gcc dot gnu.org
@ 2015-07-16 9:11 ` rguenth at gcc dot gnu.org
2015-09-02 9:28 ` rguenth at gcc dot gnu.org
` (4 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-07-16 9:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66705
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|5.2 |5.3
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 5.2 is being released, adjusting target milestone to 5.3.
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug ipa/66705] [5/6 Regression] section is missing linker error with -flto -fipa-pta
2015-06-30 12:41 [Bug ipa/66705] New: [5/6 Regression] section is missing linker error with -flto -fipa-pta trippels at gcc dot gnu.org
` (3 preceding siblings ...)
2015-07-16 9:11 ` rguenth at gcc dot gnu.org
@ 2015-09-02 9:28 ` rguenth at gcc dot gnu.org
2015-09-02 9:29 ` rguenth at gcc dot gnu.org
` (3 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-09-02 9:28 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66705
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |gjl at gcc dot gnu.org
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
*** Bug 67428 has been marked as a duplicate of this bug. ***
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug ipa/66705] [5/6 Regression] section is missing linker error with -flto -fipa-pta
2015-06-30 12:41 [Bug ipa/66705] New: [5/6 Regression] section is missing linker error with -flto -fipa-pta trippels at gcc dot gnu.org
` (4 preceding siblings ...)
2015-09-02 9:28 ` rguenth at gcc dot gnu.org
@ 2015-09-02 9:29 ` rguenth at gcc dot gnu.org
2015-09-03 9:25 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
8 siblings, 0 replies; 10+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-09-02 9:29 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66705
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
I have a fix.
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug ipa/66705] [5/6 Regression] section is missing linker error with -flto -fipa-pta
2015-06-30 12:41 [Bug ipa/66705] New: [5/6 Regression] section is missing linker error with -flto -fipa-pta trippels at gcc dot gnu.org
` (5 preceding siblings ...)
2015-09-02 9:29 ` rguenth at gcc dot gnu.org
@ 2015-09-03 9:25 ` rguenth at gcc dot gnu.org
2015-09-03 9:26 ` rguenth at gcc dot gnu.org
2015-09-03 9:35 ` rguenth at gcc dot gnu.org
8 siblings, 0 replies; 10+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-09-03 9:25 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66705
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Sep 3 09:24:51 2015
New Revision: 227430
URL: https://gcc.gnu.org/viewcvs?rev=227430&root=gcc&view=rev
Log:
2015-09-03 Richard Biener <rguenther@suse.de>
PR ipa/66705
* tree-ssa-structalias.c (ctor_for_analysis): New function.
(create_variable_info_for_1): Use ctor_for_analysis instead
of get_constructor.
(create_variable_info_for): Likewise.
* g++.dg/lto/pr66705_0.C: New testcase.
Added:
trunk/gcc/testsuite/g++.dg/lto/pr66705_0.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-structalias.c
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug ipa/66705] [5/6 Regression] section is missing linker error with -flto -fipa-pta
2015-06-30 12:41 [Bug ipa/66705] New: [5/6 Regression] section is missing linker error with -flto -fipa-pta trippels at gcc dot gnu.org
` (6 preceding siblings ...)
2015-09-03 9:25 ` rguenth at gcc dot gnu.org
@ 2015-09-03 9:26 ` rguenth at gcc dot gnu.org
2015-09-03 9:35 ` rguenth at gcc dot gnu.org
8 siblings, 0 replies; 10+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-09-03 9:26 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66705
--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Sep 3 09:25:35 2015
New Revision: 227431
URL: https://gcc.gnu.org/viewcvs?rev=227431&root=gcc&view=rev
Log:
2015-09-03 Richard Biener <rguenther@suse.de>
PR ipa/66705
* tree-ssa-structalias.c (ctor_for_analysis): New function.
(create_variable_info_for_1): Use ctor_for_analysis instead
of get_constructor.
(create_variable_info_for): Likewise.
* g++.dg/lto/pr66705_0.C: New testcase.
Added:
branches/gcc-5-branch/gcc/testsuite/g++.dg/lto/pr66705_0.C
Modified:
branches/gcc-5-branch/gcc/ChangeLog
branches/gcc-5-branch/gcc/testsuite/ChangeLog
branches/gcc-5-branch/gcc/tree-ssa-structalias.c
^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug ipa/66705] [5/6 Regression] section is missing linker error with -flto -fipa-pta
2015-06-30 12:41 [Bug ipa/66705] New: [5/6 Regression] section is missing linker error with -flto -fipa-pta trippels at gcc dot gnu.org
` (7 preceding siblings ...)
2015-09-03 9:26 ` rguenth at gcc dot gnu.org
@ 2015-09-03 9:35 ` rguenth at gcc dot gnu.org
8 siblings, 0 replies; 10+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-09-03 9:35 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66705
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Known to fail| |5.2.0
--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 10+ messages in thread
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