* [Bug c++/94437] Internal compiler error in avr-g++
2020-04-01 10:30 [Bug c++/94437] New: Internal compiler error in avr-g++ gatk555 at gmail dot com
@ 2020-04-01 10:31 ` gatk555 at gmail dot com
2020-04-01 10:32 ` gatk555 at gmail dot com
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From: gatk555 at gmail dot com @ 2020-04-01 10:31 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94437
--- Comment #1 from Giles Atkinson <gatk555 at gmail dot com> ---
Created attachment 48159
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48159&action=edit
Compiler commands
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2020-04-01 10:30 [Bug c++/94437] New: Internal compiler error in avr-g++ gatk555 at gmail dot com
2020-04-01 10:31 ` [Bug c++/94437] " gatk555 at gmail dot com
@ 2020-04-01 10:32 ` gatk555 at gmail dot com
2020-04-01 10:35 ` gatk555 at gmail dot com
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From: gatk555 at gmail dot com @ 2020-04-01 10:32 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94437
--- Comment #2 from Giles Atkinson <gatk555 at gmail dot com> ---
Created attachment 48160
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48160&action=edit
Compiler output
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2020-04-01 10:30 [Bug c++/94437] New: Internal compiler error in avr-g++ gatk555 at gmail dot com
2020-04-01 10:31 ` [Bug c++/94437] " gatk555 at gmail dot com
2020-04-01 10:32 ` gatk555 at gmail dot com
@ 2020-04-01 10:35 ` gatk555 at gmail dot com
2020-04-01 10:45 ` [Bug target/94437] " pinskia at gcc dot gnu.org
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From: gatk555 at gmail dot com @ 2020-04-01 10:35 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94437
--- Comment #3 from Giles Atkinson <gatk555 at gmail dot com> ---
Bug goes away when the __attribute__ is removed (which also makes the code
pointless!)
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2020-04-01 10:30 [Bug c++/94437] New: Internal compiler error in avr-g++ gatk555 at gmail dot com
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2020-04-01 10:35 ` gatk555 at gmail dot com
@ 2020-04-01 10:45 ` pinskia at gcc dot gnu.org
2020-04-01 12:41 ` marxin at gcc dot gnu.org
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From: pinskia at gcc dot gnu.org @ 2020-04-01 10:45 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94437
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|c++ |target
Target| |Avr
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
GCC 7.x is no longer supported, can you try gcc 8.5.0 or 9.3.0 (or later)?
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2020-04-01 10:30 [Bug c++/94437] New: Internal compiler error in avr-g++ gatk555 at gmail dot com
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2020-04-01 10:45 ` [Bug target/94437] " pinskia at gcc dot gnu.org
@ 2020-04-01 12:41 ` marxin at gcc dot gnu.org
2020-04-01 13:01 ` rguenth at gcc dot gnu.org
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From: marxin at gcc dot gnu.org @ 2020-04-01 12:41 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94437
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Status|UNCONFIRMED |WAITING
CC| |marxin at gcc dot gnu.org
Last reconfirmed| |2020-04-01
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2020-04-01 10:30 [Bug c++/94437] New: Internal compiler error in avr-g++ gatk555 at gmail dot com
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2020-04-01 12:41 ` marxin at gcc dot gnu.org
@ 2020-04-01 13:01 ` rguenth at gcc dot gnu.org
2020-04-01 19:00 ` gatk555 at gmail dot com
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From: rguenth at gcc dot gnu.org @ 2020-04-01 13:01 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94437
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |NEW
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed on trunk.
7157 loc = type_hash_table->find_slot_with_hash (&in, hashcode, INSERT);
7158 if (*loc)
7159 {
7160 tree t1 = ((type_hash *) *loc)->type;
7161 gcc_assert (TYPE_MAIN_VARIANT (t1) == t1
7162 && t1 != type);
so it looks like the target specific attribute handler wrecks things here.
The code does
static tree
avr_handle_progmem_attribute (tree *node, tree name,
tree args ATTRIBUTE_UNUSED,
int flags ATTRIBUTE_UNUSED,
bool *no_add_attrs)
{
...
tree newtype = build_type_attribute_variant (type, attr);
TYPE_MAIN_VARIANT (newtype) = TYPE_MAIN_VARIANT (type);
but built_type_attribute_variant builds a distinct copy and inserts it
into the hash, expecting only main variants to be present there. The
above assignment breaks that assumption.
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2020-04-01 10:30 [Bug c++/94437] New: Internal compiler error in avr-g++ gatk555 at gmail dot com
` (5 preceding siblings ...)
2020-04-01 13:01 ` rguenth at gcc dot gnu.org
@ 2020-04-01 19:00 ` gatk555 at gmail dot com
2020-04-02 7:23 ` gatk555 at gmail dot com
2021-10-01 9:58 ` pinskia at gcc dot gnu.org
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From: gatk555 at gmail dot com @ 2020-04-01 19:00 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94437
Giles Atkinson <gatk555 at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to fail| |9.3.0
--- Comment #6 from Giles Atkinson <gatk555 at gmail dot com> ---
Also confirmed in 9.3.0. I only just saw Comment #5, as I was busy building
the newer compiler!
ga@oldell:~/gcc/avr/bin$ ./avr-g++ -c
~/Arduino/sketches/libraries/BUG/src/BUG.cpp
/home/ga/Arduino/sketches/libraries/BUG/src/BUG.cpp: In function ‘int
fetch_byte(FVM::code_P)’:
/home/ga/Arduino/sketches/libraries/BUG/src/BUG.cpp:16:31: internal compiler
error: in type_hash_canon, at tree.c:7072
16 | if (ip < (FVM::code_P) FVM::CODE_P_MAX)
| ^~~~~~~~~~
0x58bbe3 type_hash_canon(unsigned int, tree_node*)
../../gcc-9.3.0/gcc/tree.c:7071
0x6f53da build_type_attribute_qual_variant(tree_node*, tree_node*, int)
../../gcc-9.3.0/gcc/attribs.c:1157
0x6f53da build_type_attribute_qual_variant(tree_node*, tree_node*, int)
../../gcc-9.3.0/gcc/attribs.c:1122
0x6e308f cp_build_binary_op(op_location_t const&, tree_code, tree_node*,
tree_node*, int)
../../gcc-9.3.0/gcc/cp/typeck.c:5233
0x5ac4b6 build_new_op_1
../../gcc-9.3.0/gcc/cp/call.c:6244
0x5acc5f build_new_op(op_location_t const&, tree_code, int, tree_node*,
tree_node*, tree_node*, tree_node**, int)
../../gcc-9.3.0/gcc/cp/call.c:6288
0x6db536 build_x_binary_op(op_location_t const&, tree_code, tree_node*,
tree_code, tree_node*, tree_code, tree_node**, int)
../../gcc-9.3.0/gcc/cp/typeck.c:4189
0x64e52c cp_parser_binary_expression
../../gcc-9.3.0/gcc/cp/parser.c:9624
0x64f129 cp_parser_assignment_expression
../../gcc-9.3.0/gcc/cp/parser.c:9759
0x64f492 cp_parser_expression
../../gcc-9.3.0/gcc/cp/parser.c:9926
0x673104 cp_parser_condition
../../gcc-9.3.0/gcc/cp/parser.c:12153
0x65d47f cp_parser_selection_statement
../../gcc-9.3.0/gcc/cp/parser.c:11808
0x65d47f cp_parser_statement
../../gcc-9.3.0/gcc/cp/parser.c:11186
0x65e410 cp_parser_statement_seq_opt
../../gcc-9.3.0/gcc/cp/parser.c:11667
0x65e4bf cp_parser_compound_statement
../../gcc-9.3.0/gcc/cp/parser.c:11621
0x67299a cp_parser_function_body
../../gcc-9.3.0/gcc/cp/parser.c:22703
0x67299a cp_parser_ctor_initializer_opt_and_function_body
../../gcc-9.3.0/gcc/cp/parser.c:22754
0x675186 cp_parser_function_definition_after_declarator
../../gcc-9.3.0/gcc/cp/parser.c:27883
0x675e78 cp_parser_function_definition_from_specifiers_and_declarator
../../gcc-9.3.0/gcc/cp/parser.c:27799
0x675e78 cp_parser_init_declarator
../../gcc-9.3.0/gcc/cp/parser.c:20328
Please submit a full bug report,
ga@oldell:~/gcc/avr/bin$ ./avr-g++ -v
Using built-in specs.
Reading specs from /home/ga/gcc/avr/lib/gcc/avr/9.3.0/device-specs/specs-avr2
COLLECT_GCC=./avr-g++
COLLECT_LTO_WRAPPER=/home/ga/gcc/avr/libexec/gcc/avr/9.3.0/lto-wrapper
Target: avr
Configured with: ../gcc-9.3.0/configure --target=avr --prefix=/home/ga/gcc/avr
--host=x86_64-pc-linux-gnu
Thread model: single
gcc version 9.3.0 (GCC)
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2020-04-01 10:30 [Bug c++/94437] New: Internal compiler error in avr-g++ gatk555 at gmail dot com
` (6 preceding siblings ...)
2020-04-01 19:00 ` gatk555 at gmail dot com
@ 2020-04-02 7:23 ` gatk555 at gmail dot com
2021-10-01 9:58 ` pinskia at gcc dot gnu.org
8 siblings, 0 replies; 10+ messages in thread
From: gatk555 at gmail dot com @ 2020-04-02 7:23 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94437
Giles Atkinson <gatk555 at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #48158|0 |1
is obsolete| |
--- Comment #7 from Giles Atkinson <gatk555 at gmail dot com> ---
Created attachment 48167
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48167&action=edit
Source code
Seek redemption for grave sin. (Restore LGPL comment)
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2020-04-01 10:30 [Bug c++/94437] New: Internal compiler error in avr-g++ gatk555 at gmail dot com
` (7 preceding siblings ...)
2020-04-02 7:23 ` gatk555 at gmail dot com
@ 2021-10-01 9:58 ` pinskia at gcc dot gnu.org
8 siblings, 0 replies; 10+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-10-01 9:58 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94437
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |DUPLICATE
Status|NEW |RESOLVED
--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Dup of bug 97377.
*** This bug has been marked as a duplicate of bug 97377 ***
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