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* [Bug c++/65198] New: [4.9 regression] User-defined literal template inside generic lambda segfaults GCC 5.0
@ 2015-02-24 23:42 jvp4846 at g dot rit.edu
2015-02-25 12:13 ` [Bug c++/65198] " rguenth at gcc dot gnu.org
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: jvp4846 at g dot rit.edu @ 2015-02-24 23:42 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65198
Bug ID: 65198
Summary: [4.9 regression] User-defined literal template inside
generic lambda segfaults GCC 5.0
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: jvp4846 at g dot rit.edu
Created attachment 34862
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34862&action=edit
Sample code
The attached code causes a segfault under GCC 5.0*, but compiles successfully
under GCC 4.9.2.
* From the Debian repo. Apologies in advance if this is already fixed or is
just a bug in Debian's binary; I won't have time to self-build GCC anytime
soon. The version is as follows:
g++ (Debian 20150211-1) 5.0.0 20150211 (experimental) [trunk revision 220605]
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/65198] [4.9 regression] User-defined literal template inside generic lambda segfaults GCC 5.0
2015-02-24 23:42 [Bug c++/65198] New: [4.9 regression] User-defined literal template inside generic lambda segfaults GCC 5.0 jvp4846 at g dot rit.edu
@ 2015-02-25 12:13 ` rguenth at gcc dot gnu.org
2015-02-25 12:19 ` [Bug c++/65198] [5 Regression] " rguenth at gcc dot gnu.org
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-02-25 12:13 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65198
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Works for me with 20150220 (r220835).
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/65198] [5 Regression] User-defined literal template inside generic lambda segfaults GCC 5.0
2015-02-24 23:42 [Bug c++/65198] New: [4.9 regression] User-defined literal template inside generic lambda segfaults GCC 5.0 jvp4846 at g dot rit.edu
2015-02-25 12:13 ` [Bug c++/65198] " rguenth at gcc dot gnu.org
@ 2015-02-25 12:19 ` rguenth at gcc dot gnu.org
2015-02-25 16:44 ` mpolacek at gcc dot gnu.org
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-02-25 12:19 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65198
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |5.0
Summary|[4.9 regression] |[5 Regression] User-defined
|User-defined literal |literal template inside
|template inside generic |generic lambda segfaults
|lambda segfaults GCC 5.0 |GCC 5.0
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/65198] [5 Regression] User-defined literal template inside generic lambda segfaults GCC 5.0
2015-02-24 23:42 [Bug c++/65198] New: [4.9 regression] User-defined literal template inside generic lambda segfaults GCC 5.0 jvp4846 at g dot rit.edu
2015-02-25 12:13 ` [Bug c++/65198] " rguenth at gcc dot gnu.org
2015-02-25 12:19 ` [Bug c++/65198] [5 Regression] " rguenth at gcc dot gnu.org
@ 2015-02-25 16:44 ` mpolacek at gcc dot gnu.org
2015-02-25 18:22 ` [Bug c++/65198] [4.9 Regression] User-defined literal template inside generic lambda segfaults jakub at gcc dot gnu.org
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2015-02-25 16:44 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65198
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |mpolacek at gcc dot gnu.org
--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Fixed by r220656.
This crashes for me with 4.9 though:
0xb7e61f crash_signal
/home/marek/src/gcc/gcc/toplev.c:337
0xdbb3e4 contains_struct_check
/home/marek/src/gcc/gcc/tree.h:3047
0xdbb3e4 int_cst_value(tree_node const*)
/home/marek/src/gcc/gcc/tree.c:10526
0x652434 get_non_default_template_args_count
/home/marek/src/gcc/gcc/cp/error.c:186
0x65b4d1 dump_template_argument_list
/home/marek/src/gcc/gcc/cp/error.c:195
0x654905 dump_decl
/home/marek/src/gcc/gcc/cp/error.c:1181
0x65b497 expr_to_string
/home/marek/src/gcc/gcc/cp/error.c:2847
0x6600f4 cp_printer
/home/marek/src/gcc/gcc/cp/error.c:3443
0x10d95e3 pp_format(pretty_printer*, text_info*)
/home/marek/src/gcc/gcc/pretty-print.c:616
0x10d701c diagnostic_report_diagnostic(diagnostic_context*, diagnostic_info*)
/home/marek/src/gcc/gcc/diagnostic.c:797
0x10d7d8f internal_error(char const*, ...)
/home/marek/src/gcc/gcc/diagnostic.c:1136
0x70aa6b cxx_eval_constant_expression
/home/marek/src/gcc/gcc/cp/semantics.c:9833
0x70dc25 cxx_eval_outermost_constant_expr
/home/marek/src/gcc/gcc/cp/semantics.c:9853
0x71091b maybe_constant_value(tree_node*)
/home/marek/src/gcc/gcc/cp/semantics.c:9963
0x5d11c1 build_non_dependent_expr(tree_node*)
/home/marek/src/gcc/gcc/cp/pt.c:21564
0x6f9d22 finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool,
bool, int)
/home/marek/src/gcc/gcc/cp/semantics.c:2250
0x67a61d cp_parser_userdef_numeric_literal
/home/marek/src/gcc/gcc/cp/parser.c:3926
0x67a61d cp_parser_primary_expression
/home/marek/src/gcc/gcc/cp/parser.c:4163
0x67b766 cp_parser_postfix_expression
/home/marek/src/gcc/gcc/cp/parser.c:5971
0x67e057 cp_parser_unary_expression
/home/marek/src/gcc/gcc/cp/parser.c:7172
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.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/65198] [4.9 Regression] User-defined literal template inside generic lambda segfaults
2015-02-24 23:42 [Bug c++/65198] New: [4.9 regression] User-defined literal template inside generic lambda segfaults GCC 5.0 jvp4846 at g dot rit.edu
` (2 preceding siblings ...)
2015-02-25 16:44 ` mpolacek at gcc dot gnu.org
@ 2015-02-25 18:22 ` jakub at gcc dot gnu.org
2015-06-26 20:19 ` jakub at gcc dot gnu.org
2015-06-26 20:39 ` jakub at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: jakub at gcc dot gnu.org @ 2015-02-25 18:22 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65198
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
Known to work| |5.0
Target Milestone|5.0 |4.9.3
Summary|[5 Regression] User-defined |[4.9 Regression]
|literal template inside |User-defined literal
|generic lambda segfaults |template inside generic
|GCC 5.0 |lambda segfaults
Known to fail| |4.9.2
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/65198] [4.9 Regression] User-defined literal template inside generic lambda segfaults
2015-02-24 23:42 [Bug c++/65198] New: [4.9 regression] User-defined literal template inside generic lambda segfaults GCC 5.0 jvp4846 at g dot rit.edu
` (3 preceding siblings ...)
2015-02-25 18:22 ` [Bug c++/65198] [4.9 Regression] User-defined literal template inside generic lambda segfaults jakub at gcc dot gnu.org
@ 2015-06-26 20:19 ` jakub at gcc dot gnu.org
2015-06-26 20:39 ` jakub at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: jakub at gcc dot gnu.org @ 2015-06-26 20:19 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65198
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 4.9.3 has been released.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/65198] [4.9 Regression] User-defined literal template inside generic lambda segfaults
2015-02-24 23:42 [Bug c++/65198] New: [4.9 regression] User-defined literal template inside generic lambda segfaults GCC 5.0 jvp4846 at g dot rit.edu
` (4 preceding siblings ...)
2015-06-26 20:19 ` jakub at gcc dot gnu.org
@ 2015-06-26 20:39 ` jakub at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: jakub at gcc dot gnu.org @ 2015-06-26 20:39 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65198
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.9.3 |4.9.4
^ permalink raw reply [flat|nested] 7+ messages in thread
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2015-02-24 23:42 [Bug c++/65198] New: [4.9 regression] User-defined literal template inside generic lambda segfaults GCC 5.0 jvp4846 at g dot rit.edu
2015-02-25 12:13 ` [Bug c++/65198] " rguenth at gcc dot gnu.org
2015-02-25 12:19 ` [Bug c++/65198] [5 Regression] " rguenth at gcc dot gnu.org
2015-02-25 16:44 ` mpolacek at gcc dot gnu.org
2015-02-25 18:22 ` [Bug c++/65198] [4.9 Regression] User-defined literal template inside generic lambda segfaults jakub at gcc dot gnu.org
2015-06-26 20:19 ` jakub at gcc dot gnu.org
2015-06-26 20:39 ` jakub at gcc dot gnu.org
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