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* [Bug c++/58965] New: [4.8/4.9 Regression] [c++11] ICE with member initializer in static union
@ 2013-11-01 19:29 reichelt at gcc dot gnu.org
2013-11-01 19:30 ` [Bug c++/58965] " reichelt at gcc dot gnu.org
` (7 more replies)
0 siblings, 8 replies; 9+ messages in thread
From: reichelt at gcc dot gnu.org @ 2013-11-01 19:29 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58965
Bug ID: 58965
Summary: [4.8/4.9 Regression] [c++11] ICE with member
initializer in static union
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: reichelt at gcc dot gnu.org
The following valid code snippet (compiled with "-std=c++11") triggers an ICE
since GCC 4.8.0:
=====================
void foo()
{
static union
{
int i = i;
};
}
=====================
bug.cc: In function 'void foo()':
bug.cc:6:4: internal compiler error: Segmentation fault
};
^
0xb2d0df crash_signal
../../gcc/gcc/toplev.c:334
0x713c15 tree_check
../../gcc/gcc/tree.h:2691
0x713c15 write_guarded_var_name
../../gcc/gcc/cp/mangle.c:3791
0x713e36 mangle_guard_variable(tree_node*)
../../gcc/gcc/cp/mangle.c:3807
0x6214bb get_guard(tree_node*)
../../gcc/gcc/cp/decl2.c:2739
0x577865 expand_static_init
../../gcc/gcc/cp/decl.c:6965
0x577865 cp_finish_decl(tree_node*, tree_node*, bool, tree_node*, int)
../../gcc/gcc/cp/decl.c:6500
0x58a928 shadow_tag(cp_decl_specifier_seq*)
../../gcc/gcc/cp/decl.c:4389
0x6655a1 cp_parser_simple_declaration
../../gcc/gcc/cp/parser.c:11142
0x6492e0 cp_parser_block_declaration
../../gcc/gcc/cp/parser.c:10945
0x64a403 cp_parser_declaration_statement
../../gcc/gcc/cp/parser.c:10592
0x64aa77 cp_parser_statement
../../gcc/gcc/cp/parser.c:9333
0x64b779 cp_parser_statement_seq_opt
../../gcc/gcc/cp/parser.c:9611
0x64b8ee cp_parser_compound_statement
../../gcc/gcc/cp/parser.c:9565
0x65eefb cp_parser_function_body
../../gcc/gcc/cp/parser.c:18418
0x65eefb cp_parser_ctor_initializer_opt_and_function_body
../../gcc/gcc/cp/parser.c:18454
0x6632ef cp_parser_function_definition_after_declarator
../../gcc/gcc/cp/parser.c:22465
0x6640c2 cp_parser_function_definition_from_specifiers_and_declarator
../../gcc/gcc/cp/parser.c:22386
0x6640c2 cp_parser_init_declarator
../../gcc/gcc/cp/parser.c:16429
0x66533f cp_parser_simple_declaration
../../gcc/gcc/cp/parser.c:11064
Please submit a full bug report, [etc.]
The code was correctly accepted in GCC 4.7.0.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/58965] [4.8/4.9 Regression] [c++11] ICE with member initializer in static union
2013-11-01 19:29 [Bug c++/58965] New: [4.8/4.9 Regression] [c++11] ICE with member initializer in static union reichelt at gcc dot gnu.org
@ 2013-11-01 19:30 ` reichelt at gcc dot gnu.org
2013-11-01 19:42 ` paolo.carlini at oracle dot com
` (6 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: reichelt at gcc dot gnu.org @ 2013-11-01 19:30 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58965
Volker Reichelt <reichelt at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |ice-on-valid-code
Known to work| |4.7.0
Target Milestone|--- |4.8.3
Known to fail| |4.8.0, 4.9.0
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/58965] [4.8/4.9 Regression] [c++11] ICE with member initializer in static union
2013-11-01 19:29 [Bug c++/58965] New: [4.8/4.9 Regression] [c++11] ICE with member initializer in static union reichelt at gcc dot gnu.org
2013-11-01 19:30 ` [Bug c++/58965] " reichelt at gcc dot gnu.org
@ 2013-11-01 19:42 ` paolo.carlini at oracle dot com
2013-11-03 18:51 ` mpolacek at gcc dot gnu.org
` (5 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: paolo.carlini at oracle dot com @ 2013-11-01 19:42 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58965
Paolo Carlini <paolo.carlini at oracle dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/58965] [4.8/4.9 Regression] [c++11] ICE with member initializer in static union
2013-11-01 19:29 [Bug c++/58965] New: [4.8/4.9 Regression] [c++11] ICE with member initializer in static union reichelt at gcc dot gnu.org
2013-11-01 19:30 ` [Bug c++/58965] " reichelt at gcc dot gnu.org
2013-11-01 19:42 ` paolo.carlini at oracle dot com
@ 2013-11-03 18:51 ` mpolacek at gcc dot gnu.org
2014-01-03 3:56 ` jason at gcc dot gnu.org
` (4 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2013-11-03 18:51 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58965
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2013-11-03
CC| |mpolacek at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Confirmed.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/58965] [4.8/4.9 Regression] [c++11] ICE with member initializer in static union
2013-11-01 19:29 [Bug c++/58965] New: [4.8/4.9 Regression] [c++11] ICE with member initializer in static union reichelt at gcc dot gnu.org
` (2 preceding siblings ...)
2013-11-03 18:51 ` mpolacek at gcc dot gnu.org
@ 2014-01-03 3:56 ` jason at gcc dot gnu.org
2014-01-07 21:24 ` jason at gcc dot gnu.org
` (3 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: jason at gcc dot gnu.org @ 2014-01-03 3:56 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58965
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
CC| |jason at gcc dot gnu.org
Assignee|unassigned at gcc dot gnu.org |jason at gcc dot gnu.org
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/58965] [4.8/4.9 Regression] [c++11] ICE with member initializer in static union
2013-11-01 19:29 [Bug c++/58965] New: [4.8/4.9 Regression] [c++11] ICE with member initializer in static union reichelt at gcc dot gnu.org
` (3 preceding siblings ...)
2014-01-03 3:56 ` jason at gcc dot gnu.org
@ 2014-01-07 21:24 ` jason at gcc dot gnu.org
2014-01-27 13:59 ` jason at gcc dot gnu.org
` (2 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: jason at gcc dot gnu.org @ 2014-01-07 21:24 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58965
--- Comment #2 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Tue Jan 7 21:24:37 2014
New Revision: 206405
URL: http://gcc.gnu.org/viewcvs?rev=206405&root=gcc&view=rev
Log:
PR c++/58965
* mangle.c (write_guarded_var_name): Handle null DECL_NAME.
Added:
trunk/gcc/testsuite/g++.dg/cpp0x/nsdmi-union3.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/mangle.c
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/58965] [4.8/4.9 Regression] [c++11] ICE with member initializer in static union
2013-11-01 19:29 [Bug c++/58965] New: [4.8/4.9 Regression] [c++11] ICE with member initializer in static union reichelt at gcc dot gnu.org
` (5 preceding siblings ...)
2014-01-27 13:59 ` jason at gcc dot gnu.org
@ 2014-01-27 13:59 ` jason at gcc dot gnu.org
2014-01-27 16:25 ` jason at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: jason at gcc dot gnu.org @ 2014-01-27 13:59 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58965
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> ---
Fixed for 4.8.3/4.9.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/58965] [4.8/4.9 Regression] [c++11] ICE with member initializer in static union
2013-11-01 19:29 [Bug c++/58965] New: [4.8/4.9 Regression] [c++11] ICE with member initializer in static union reichelt at gcc dot gnu.org
` (4 preceding siblings ...)
2014-01-07 21:24 ` jason at gcc dot gnu.org
@ 2014-01-27 13:59 ` jason at gcc dot gnu.org
2014-01-27 13:59 ` jason at gcc dot gnu.org
2014-01-27 16:25 ` jason at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: jason at gcc dot gnu.org @ 2014-01-27 13:59 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58965
--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> ---
Author: jason
Date: Mon Jan 27 13:58:42 2014
New Revision: 207130
URL: http://gcc.gnu.org/viewcvs?rev=207130&root=gcc&view=rev
Log:
PR c++/58965
* mangle.c (write_guarded_var_name): Handle null DECL_NAME.
Added:
branches/gcc-4_8-branch/gcc/testsuite/g++.dg/cpp0x/nsdmi-union3.C
Modified:
branches/gcc-4_8-branch/gcc/cp/ChangeLog
branches/gcc-4_8-branch/gcc/cp/mangle.c
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/58965] [4.8/4.9 Regression] [c++11] ICE with member initializer in static union
2013-11-01 19:29 [Bug c++/58965] New: [4.8/4.9 Regression] [c++11] ICE with member initializer in static union reichelt at gcc dot gnu.org
` (6 preceding siblings ...)
2014-01-27 13:59 ` jason at gcc dot gnu.org
@ 2014-01-27 16:25 ` jason at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: jason at gcc dot gnu.org @ 2014-01-27 16:25 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58965
--- Comment #5 from Jason Merrill <jason at gcc dot gnu.org> ---
*** Bug 58701 has been marked as a duplicate of this bug. ***
^ permalink raw reply [flat|nested] 9+ messages in thread
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2013-11-01 19:29 [Bug c++/58965] New: [4.8/4.9 Regression] [c++11] ICE with member initializer in static union reichelt at gcc dot gnu.org
2013-11-01 19:30 ` [Bug c++/58965] " reichelt at gcc dot gnu.org
2013-11-01 19:42 ` paolo.carlini at oracle dot com
2013-11-03 18:51 ` mpolacek at gcc dot gnu.org
2014-01-03 3:56 ` jason at gcc dot gnu.org
2014-01-07 21:24 ` jason at gcc dot gnu.org
2014-01-27 13:59 ` jason at gcc dot gnu.org
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