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* [Bug lto/52400] New: lto1: ICE with extern on static linkage
@ 2012-02-27 14:03 chrbr at gcc dot gnu.org
2012-02-27 14:20 ` [Bug lto/52400] " rguenth at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: chrbr at gcc dot gnu.org @ 2012-02-27 14:03 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52400
Bug #: 52400
Summary: lto1: ICE with extern on static linkage
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: lto
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: chrbr@gcc.gnu.org
Compiling the attached file
g++ -O0 -flto foo.cc
lto1: internal compiler error: in lto_record_renamed_decl, at
lto-section-in.c:330
removing the external declaration for f4() makes the test pass.
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug lto/52400] lto1: ICE with extern on static linkage
2012-02-27 14:03 [Bug lto/52400] New: lto1: ICE with extern on static linkage chrbr at gcc dot gnu.org
@ 2012-02-27 14:20 ` rguenth at gcc dot gnu.org
2012-02-27 14:37 ` chrbr at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-02-27 14:20 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52400
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2012-02-27
Ever Confirmed|0 |1
--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-02-27 14:14:27 UTC ---
Attachment missing.
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug lto/52400] lto1: ICE with extern on static linkage
2012-02-27 14:03 [Bug lto/52400] New: lto1: ICE with extern on static linkage chrbr at gcc dot gnu.org
2012-02-27 14:20 ` [Bug lto/52400] " rguenth at gcc dot gnu.org
@ 2012-02-27 14:37 ` chrbr at gcc dot gnu.org
2012-02-27 14:51 ` [Bug lto/52400] [4.6/4.7 Regression] " rguenth at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: chrbr at gcc dot gnu.org @ 2012-02-27 14:37 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52400
--- Comment #2 from chrbr at gcc dot gnu.org 2012-02-27 14:20:29 UTC ---
Created attachment 26763
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26763
testcase
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug lto/52400] [4.6/4.7 Regression] lto1: ICE with extern on static linkage
2012-02-27 14:03 [Bug lto/52400] New: lto1: ICE with extern on static linkage chrbr at gcc dot gnu.org
2012-02-27 14:20 ` [Bug lto/52400] " rguenth at gcc dot gnu.org
2012-02-27 14:37 ` chrbr at gcc dot gnu.org
@ 2012-02-27 14:51 ` rguenth at gcc dot gnu.org
2012-02-28 9:14 ` rguenth at gcc dot gnu.org
2012-02-28 9:16 ` [Bug lto/52400] [4.6 " rguenth at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-02-27 14:51 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52400
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |ASSIGNED
CC| |hubicka at gcc dot gnu.org,
| |rguenth at gcc dot gnu.org
Known to work| |4.5.3
AssignedTo|unassigned at gcc dot |rguenth at gcc dot gnu.org
|gnu.org |
Target Milestone|--- |4.6.4
Summary|lto1: ICE with extern on |[4.6/4.7 Regression] lto1:
|static linkage |ICE with extern on static
| |linkage
Known to fail| |4.6.2, 4.7.0
--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-02-27 14:50:37 UTC ---
Confirmed. We do not handle having multiple functions with the same name
(but pulled in into different contexts) well. I suppose the particular
error can be fixed by
Index: gcc/lto/lto.c
===================================================================
--- gcc/lto/lto.c (revision 184591)
+++ gcc/lto/lto.c (working copy)
@@ -689,13 +689,6 @@ lto_register_function_decl_in_symtab (st
lto_record_renamed_decl (data_in->file_data,
IDENTIFIER_POINTER (old_assembler_name),
IDENTIFIER_POINTER (new_assembler_name));
-
- /* Also register the reverse mapping so that we can find the
- new name given to an existing assembler name (used when
- restoring alias pairs in input_constructors_or_inits. */
- lto_record_renamed_decl (data_in->file_data,
- IDENTIFIER_POINTER (new_assembler_name),
- IDENTIFIER_POINTER (old_assembler_name));
}
}
as the reverse mapping should be unused now with the alias-pair rewrite.
Honza?
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug lto/52400] [4.6/4.7 Regression] lto1: ICE with extern on static linkage
2012-02-27 14:03 [Bug lto/52400] New: lto1: ICE with extern on static linkage chrbr at gcc dot gnu.org
` (2 preceding siblings ...)
2012-02-27 14:51 ` [Bug lto/52400] [4.6/4.7 Regression] " rguenth at gcc dot gnu.org
@ 2012-02-28 9:14 ` rguenth at gcc dot gnu.org
2012-02-28 9:16 ` [Bug lto/52400] [4.6 " rguenth at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-02-28 9:14 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52400
--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-02-28 09:13:44 UTC ---
Author: rguenth
Date: Tue Feb 28 09:13:40 2012
New Revision: 184618
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184618
Log:
2012-02-28 Richard Guenther <rguenther@suse.de>
PR lto/52400
* lto.c (lto_register_function_decl_in_symtab): Do not register
a reverse renamed decl mapping.
* g++.dg/lto/pr52400_0.C: New testcase.
Added:
trunk/gcc/testsuite/g++.dg/lto/pr52400_0.C
Modified:
trunk/gcc/lto/ChangeLog
trunk/gcc/lto/lto.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug lto/52400] [4.6 Regression] lto1: ICE with extern on static linkage
2012-02-27 14:03 [Bug lto/52400] New: lto1: ICE with extern on static linkage chrbr at gcc dot gnu.org
` (3 preceding siblings ...)
2012-02-28 9:14 ` rguenth at gcc dot gnu.org
@ 2012-02-28 9:16 ` rguenth at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-02-28 9:16 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52400
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Known to work| |4.7.0
Resolution| |FIXED
Target Milestone|4.6.4 |4.7.0
Summary|[4.6/4.7 Regression] lto1: |[4.6 Regression] lto1: ICE
|ICE with extern on static |with extern on static
|linkage |linkage
Known to fail|4.7.0 |
--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-02-28 09:14:35 UTC ---
Fixed for 4.7. The fix is not backportable.
^ permalink raw reply [flat|nested] 6+ messages in thread
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2012-02-27 14:03 [Bug lto/52400] New: lto1: ICE with extern on static linkage chrbr at gcc dot gnu.org
2012-02-27 14:20 ` [Bug lto/52400] " rguenth at gcc dot gnu.org
2012-02-27 14:37 ` chrbr at gcc dot gnu.org
2012-02-27 14:51 ` [Bug lto/52400] [4.6/4.7 Regression] " rguenth at gcc dot gnu.org
2012-02-28 9:14 ` rguenth at gcc dot gnu.org
2012-02-28 9:16 ` [Bug lto/52400] [4.6 " rguenth at gcc dot gnu.org
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