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* [Bug c++/94896] New: [10 regression] ICE: canonical types differ for identical types
@ 2020-04-30 19:51 ro at gcc dot gnu.org
2020-04-30 19:51 ` [Bug c++/94896] " ro at gcc dot gnu.org
` (7 more replies)
0 siblings, 8 replies; 9+ messages in thread
From: ro at gcc dot gnu.org @ 2020-04-30 19:51 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94896
Bug ID: 94896
Summary: [10 regression] ICE: canonical types differ for
identical types
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: ro at gcc dot gnu.org
Target Milestone: ---
Target: sparc-sun-solaris2.11
Between 20200429 (27594524d8a93cddb197ad8c9d4075c5870f1473) and 20200430
(c416c52bcdb120db5e8c53a51bd78c4360daf79b), two tests regressed on
Solaris/SPARC:
+FAIL: g++.dg/cpp0x/alignas3.C -std=c++14 (internal compiler error)
+FAIL: g++.dg/cpp0x/alignas3.C -std=c++14 (test for excess errors)
+FAIL: g++.dg/cpp0x/alignas3.C -std=c++17 (internal compiler error)
+FAIL: g++.dg/cpp0x/alignas3.C -std=c++17 (test for excess errors)
+FAIL: g++.dg/cpp0x/alignas3.C -std=c++2a (internal compiler error)
+FAIL: g++.dg/cpp0x/alignas3.C -std=c++2a (test for excess errors)
32 and 64-bit sparc
Excess errors:
/vol/gcc/src/hg/master/local/gcc/testsuite/g++.dg/cpp0x/alignas3.C:19:55:
internal compiler error: canonical types differ for identical types 'Stmt' and
'Stmt'
0x82e6b3 comptypes(tree_node*, tree_node*, int)
/vol/gcc/src/hg/master/local/gcc/cp/typeck.c:1519
0x80d243 maybe_dummy_object(tree_node*, tree_node**)
/vol/gcc/src/hg/master/local/gcc/cp/tree.c:4040
0x7ef0d7 finish_non_static_data_member(tree_node*, tree_node*, tree_node*)
/vol/gcc/src/hg/master/local/gcc/cp/semantics.c:1911
0x7f0673 finish_id_expression_1
/vol/gcc/src/hg/master/local/gcc/cp/semantics.c:3940
0x7f0a33 finish_id_expression(tree_node*, tree_node*, tree_node*, cp_id_kind*,
bool, bool, bool*, bool, bool, bool, bool, char const**, unsigned int)
/vol/gcc/src/hg/master/local/gcc/cp/semantics.c:4025
0x6fe247 cp_parser_primary_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:5757
0x70ca77 cp_parser_postfix_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:7260
0x71925f cp_parser_unary_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:8563
0x6e656b cp_parser_cast_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:9454
0x6e734b cp_parser_binary_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:9557
0x6e97f3 cp_parser_assignment_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:9862
0x6ed1f3 cp_parser_parenthesized_expression_list
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:7984
0x70d08b cp_parser_postfix_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:7333
0x71925f cp_parser_unary_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:8563
0x6e656b cp_parser_cast_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:9454
0x6e734b cp_parser_binary_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:9557
0x6e97f3 cp_parser_assignment_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:9862
0x6e9c47 cp_parser_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:10030
0x6edc33 cp_parser_expression_statement
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:11691
0x6fb673 cp_parser_statement
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:11487
+FAIL: g++.dg/template/canon-type-8.C -std=gnu++14 (internal compiler error)
+FAIL: g++.dg/template/canon-type-8.C -std=gnu++14 (test for excess errors)
+FAIL: g++.dg/template/canon-type-8.C -std=gnu++17 (internal compiler error)
+FAIL: g++.dg/template/canon-type-8.C -std=gnu++17 (test for excess errors)
+FAIL: g++.dg/template/canon-type-8.C -std=gnu++2a (internal compiler error)
+FAIL: g++.dg/template/canon-type-8.C -std=gnu++2a (test for excess errors)
+FAIL: g++.dg/template/canon-type-8.C -std=gnu++98 (internal compiler error)
+FAIL: g++.dg/template/canon-type-8.C -std=gnu++98 (test for excess errors)
64-bit sparc
Excess errors:
/vol/gcc/src/hg/master/local/gcc/testsuite/g++.dg/template/canon-type-8.C:37:30:
internal compiler error: canonical types differ for identical types 'const
chunk_array_stereo_t' {aka 'const chunk_array_t<2>'} and 'const
chunk_array_t<2>'
0x82e6b3 comptypes(tree_node*, tree_node*, int)
/vol/gcc/src/hg/master/local/gcc/cp/typeck.c:1519
0x82d573 structural_comptypes
/vol/gcc/src/hg/master/local/gcc/cp/typeck.c:1423
0x82e54b structural_comptypes
/vol/gcc/src/hg/master/local/gcc/cp/typeck.c:1245
0x82e54b comptypes(tree_node*, tree_node*, int)
/vol/gcc/src/hg/master/local/gcc/cp/typeck.c:1512
0x5346af standard_conversion
/vol/gcc/src/hg/master/local/gcc/cp/call.c:1286
0x53926f implicit_conversion
/vol/gcc/src/hg/master/local/gcc/cp/call.c:2013
0x53b163 add_function_candidate
/vol/gcc/src/hg/master/local/gcc/cp/call.c:2408
0x53cc83 add_candidates
/vol/gcc/src/hg/master/local/gcc/cp/call.c:5866
0x54a443 add_candidates
/vol/gcc/src/hg/master/local/gcc/cp/call.c:5768
0x54a443 build_new_method_call_1
/vol/gcc/src/hg/master/local/gcc/cp/call.c:10220
0x54be7f build_new_method_call(tree_node*, tree_node*, vec<tree_node*, va_gc,
vl_embed>**, tree_node*, int, tree_node**, int)
/vol/gcc/src/hg/master/local/gcc/cp/call.c:10429
0x70d767 cp_parser_postfix_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:7439
0x71925f cp_parser_unary_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:8563
0x6e656b cp_parser_cast_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:9454
0x6e734b cp_parser_binary_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:9557
0x6e97f3 cp_parser_assignment_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:9862
0x6e7f47 cp_parser_constant_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:10156
0x6e9a17 cp_parser_initializer_clause
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:23219
0x6e9a17 cp_parser_assignment_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:9881
0x6e9c47 cp_parser_expression
/vol/gcc/src/hg/master/local/gcc/cp/parser.c:10030
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/94896] [10 regression] ICE: canonical types differ for identical types
2020-04-30 19:51 [Bug c++/94896] New: [10 regression] ICE: canonical types differ for identical types ro at gcc dot gnu.org
@ 2020-04-30 19:51 ` ro at gcc dot gnu.org
2020-05-01 16:29 ` [Bug c++/94896] [10/11 " ebotcazou at gcc dot gnu.org
` (6 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: ro at gcc dot gnu.org @ 2020-04-30 19:51 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94896
Rainer Orth <ro at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |10.0
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/94896] [10/11 regression] ICE: canonical types differ for identical types
2020-04-30 19:51 [Bug c++/94896] New: [10 regression] ICE: canonical types differ for identical types ro at gcc dot gnu.org
2020-04-30 19:51 ` [Bug c++/94896] " ro at gcc dot gnu.org
@ 2020-05-01 16:29 ` ebotcazou at gcc dot gnu.org
2020-05-01 16:52 ` ebotcazou at gcc dot gnu.org
` (5 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: ebotcazou at gcc dot gnu.org @ 2020-05-01 16:29 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94896
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ebotcazou at gcc dot gnu.org
Ever confirmed|0 |1
Target|sparc-sun-solaris2.11 |sparc-*-*
Status|UNCONFIRMED |NEW
Last reconfirmed| |2020-05-01
--- Comment #1 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
I have them both on Linux and Solaris.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/94896] [10/11 regression] ICE: canonical types differ for identical types
2020-04-30 19:51 [Bug c++/94896] New: [10 regression] ICE: canonical types differ for identical types ro at gcc dot gnu.org
2020-04-30 19:51 ` [Bug c++/94896] " ro at gcc dot gnu.org
2020-05-01 16:29 ` [Bug c++/94896] [10/11 " ebotcazou at gcc dot gnu.org
@ 2020-05-01 16:52 ` ebotcazou at gcc dot gnu.org
2020-05-03 12:07 ` schwab@linux-m68k.org
` (4 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: ebotcazou at gcc dot gnu.org @ 2020-05-01 16:52 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94896
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |polacek at redhat dot com
--- Comment #2 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
This comes from:
2020-04-30 Marek Polacek <polacek@redhat.com>
PR c++/94775
* tree.c (check_base_type): Return true only if TYPE_USER_ALIGN match.
(check_aligned_type): Check if TYPE_USER_ALIGN match.
which is a rather risky change so close to a release if you ask me.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/94896] [10/11 regression] ICE: canonical types differ for identical types
2020-04-30 19:51 [Bug c++/94896] New: [10 regression] ICE: canonical types differ for identical types ro at gcc dot gnu.org
` (2 preceding siblings ...)
2020-05-01 16:52 ` ebotcazou at gcc dot gnu.org
@ 2020-05-03 12:07 ` schwab@linux-m68k.org
2020-05-04 6:20 ` rguenth at gcc dot gnu.org
` (3 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: schwab@linux-m68k.org @ 2020-05-03 12:07 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94896
Andreas Schwab <schwab@linux-m68k.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target|sparc-*-* |sparc-*-* riscv64-*-*
--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> ---
Same on riscv64.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/94896] [10/11 regression] ICE: canonical types differ for identical types
2020-04-30 19:51 [Bug c++/94896] New: [10 regression] ICE: canonical types differ for identical types ro at gcc dot gnu.org
` (3 preceding siblings ...)
2020-05-03 12:07 ` schwab@linux-m68k.org
@ 2020-05-04 6:20 ` rguenth at gcc dot gnu.org
2020-05-04 14:09 ` mpolacek at gcc dot gnu.org
` (2 subsequent siblings)
7 siblings, 0 replies; 9+ messages in thread
From: rguenth at gcc dot gnu.org @ 2020-05-04 6:20 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94896
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P1
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Marek, can you revert that change then?
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/94896] [10/11 regression] ICE: canonical types differ for identical types
2020-04-30 19:51 [Bug c++/94896] New: [10 regression] ICE: canonical types differ for identical types ro at gcc dot gnu.org
` (4 preceding siblings ...)
2020-05-04 6:20 ` rguenth at gcc dot gnu.org
@ 2020-05-04 14:09 ` mpolacek at gcc dot gnu.org
2020-05-04 14:24 ` clyon at gcc dot gnu.org
2020-05-04 14:44 ` mpolacek at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2020-05-04 14:09 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94896
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |mpolacek at gcc dot gnu.org
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |mpolacek at gcc dot gnu.org
--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Will revert, sorry about that.
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/94896] [10/11 regression] ICE: canonical types differ for identical types
2020-04-30 19:51 [Bug c++/94896] New: [10 regression] ICE: canonical types differ for identical types ro at gcc dot gnu.org
` (5 preceding siblings ...)
2020-05-04 14:09 ` mpolacek at gcc dot gnu.org
@ 2020-05-04 14:24 ` clyon at gcc dot gnu.org
2020-05-04 14:44 ` mpolacek at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: clyon at gcc dot gnu.org @ 2020-05-04 14:24 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94896
Christophe Lyon <clyon at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |clyon at gcc dot gnu.org
--- Comment #6 from Christophe Lyon <clyon at gcc dot gnu.org> ---
For the record, this introduces regressions on arm-linux-gnueabihf too:
g++.dg/cpp0x/alignas3.C -std=c++14 (internal compiler error)
g++.dg/cpp0x/alignas3.C -std=c++17 (internal compiler error)
g++.dg/cpp0x/alignas3.C -std=c++2a (internal compiler error)
g++.dg/other/pr54300.C -std=gnu++14 (internal compiler error)
g++.dg/other/pr54300.C -std=gnu++17 (internal compiler error)
g++.dg/other/pr54300.C -std=gnu++2a (internal compiler error)
g++.dg/other/pr54300.C -std=gnu++98 (internal compiler error)
^ permalink raw reply [flat|nested] 9+ messages in thread
* [Bug c++/94896] [10/11 regression] ICE: canonical types differ for identical types
2020-04-30 19:51 [Bug c++/94896] New: [10 regression] ICE: canonical types differ for identical types ro at gcc dot gnu.org
` (6 preceding siblings ...)
2020-05-04 14:24 ` clyon at gcc dot gnu.org
@ 2020-05-04 14:44 ` mpolacek at gcc dot gnu.org
7 siblings, 0 replies; 9+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2020-05-04 14:44 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94896
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #7 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Patch reverted from 10/11.
^ permalink raw reply [flat|nested] 9+ messages in thread
end of thread, other threads:[~2020-05-04 14:44 UTC | newest]
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2020-04-30 19:51 ` [Bug c++/94896] " ro at gcc dot gnu.org
2020-05-01 16:29 ` [Bug c++/94896] [10/11 " ebotcazou at gcc dot gnu.org
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