https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87863
Bug ID: 87863
Summary: c-c++-common/gomp/gridify-{2,3}.c ICE
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Keywords: openmp
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: tschwinge at gcc dot gnu.org
CC: jamborm at gcc dot gnu.org, nathan at gcc dot gnu.org
Target Milestone: ---
As of r265714 "[ABI PATCH] static anonymous unions of function scope", and with
checking enabled (might be relevant, see "gcc_checking_assert" below), I'm
seeing the following regressions:
PASS: c-c++-common/gomp/gridify-2.c -std=gnu++14 scan-tree-dump omplower
"Target construct will be turned into a gridified HSA kernel"
[-PASS:-]{+FAIL: c-c++-common/gomp/gridify-2.c -std=gnu++14 (internal
compiler error)+}
{+FAIL:+} c-c++-common/gomp/gridify-2.c -std=gnu++14 (test for excess
errors)
PASS: c-c++-common/gomp/gridify-2.c -std=gnu++17 scan-tree-dump omplower
"Target construct will be turned into a gridified HSA kernel"
[-PASS:-]{+FAIL: c-c++-common/gomp/gridify-2.c -std=gnu++17 (internal
compiler error)+}
{+FAIL:+} c-c++-common/gomp/gridify-2.c -std=gnu++17 (test for excess
errors)
PASS: c-c++-common/gomp/gridify-2.c -std=gnu++98 scan-tree-dump omplower
"Target construct will be turned into a gridified HSA kernel"
[-PASS:-]{+FAIL: c-c++-common/gomp/gridify-2.c -std=gnu++98 (internal
compiler error)+}
{+FAIL:+} c-c++-common/gomp/gridify-2.c -std=gnu++98 (test for excess
errors)
PASS: c-c++-common/gomp/gridify-3.c -std=gnu++14 scan-tree-dump omplower
"Target construct will be turned into a gridified HSA kernel"
[-PASS:-]{+FAIL: c-c++-common/gomp/gridify-3.c -std=gnu++14 (internal
compiler error)+}
{+FAIL:+} c-c++-common/gomp/gridify-3.c -std=gnu++14 (test for excess
errors)
PASS: c-c++-common/gomp/gridify-3.c -std=gnu++17 scan-tree-dump omplower
"Target construct will be turned into a gridified HSA kernel"
[-PASS:-]{+FAIL: c-c++-common/gomp/gridify-3.c -std=gnu++17 (internal
compiler error)+}
{+FAIL:+} c-c++-common/gomp/gridify-3.c -std=gnu++17 (test for excess
errors)
PASS: c-c++-common/gomp/gridify-3.c -std=gnu++98 scan-tree-dump omplower
"Target construct will be turned into a gridified HSA kernel"
[-PASS:-]{+FAIL: c-c++-common/gomp/gridify-3.c -std=gnu++98 (internal
compiler error)+}
{+FAIL:+} c-c++-common/gomp/gridify-3.c -std=gnu++98 (test for excess
errors)
(gdb) bt
#0 fancy_abort (file=0x1af2e90 "[...]/gcc/cp/mangle.c", line=1925,
function=0x1af3970 <discriminator_for_local_entity(tree_node*)::__FUNCTION__>
"discriminator_for_local_entity") at [...]/gcc/diagnostic.c:1560
#1 0x00000000007c8ac1 in discriminator_for_local_entity
(entity=entity@entry=0x7ffff6934ea0) at [...]/gcc/cp/mangle.c:1925
#2 0x00000000007d04eb in write_local_name (entity=0x7ffff6934ea0,
local_entity=0x7ffff6934ea0, function=<optimized out>) at
[...]/gcc/cp/mangle.c:2035
#3 write_name (decl=decl@entry=0x7ffff6934ea0,
ignore_local_scope=ignore_local_scope@entry=0) at [...]/gcc/cp/mangle.c:963
#4 0x00000000007d4c8a in write_encoding (decl=0x7ffff6934ea0) at
[...]/gcc/cp/mangle.c:824
#5 0x00000000007d6ab0 in mangle_decl_string
(decl=decl@entry=0x7ffff6934ea0) at [...]/gcc/cp/mangle.c:3765
#6 0x00000000007d6cf9 in get_mangled_id (decl=0x7ffff6934ea0) at
[...]/gcc/cp/mangle.c:3787
#7 mangle_decl (decl=0x7ffff6934ea0) at [...]/gcc/cp/mangle.c:3825
#8 0x00000000011f6616 in decl_assembler_name (decl=0x7ffff6934ea0) at
[...]/gcc/tree.c:691
#9 0x0000000000a430fd in symbol_table::insert_to_assembler_name_hash
(this=0x7ffff67ac100, node=0x7ffff6933e00, with_clones=<optimized out>) at
[...]/gcc/symtab.c:174
#10 0x0000000000a45495 in symbol_table::symtab_initialize_asm_name_hash
(this=0x7ffff67ac100) at [...]/gcc/symtab.c:266
#11 0x0000000000a454d5 in symbol_table::symtab_initialize_asm_name_hash
(this=<optimized out>) at [...]/gcc/symtab.c:262
#12 0x0000000000a5d6c3 in analyze_functions
(first_time=first_time@entry=true) at [...]/gcc/cgraphunit.c:1289
#13 0x0000000000a5dcc3 in symbol_table::finalize_compilation_unit
(this=0x7ffff67ac100) at [...]/gcc/cgraphunit.c:2833
#14 0x0000000000f2f06d in compile_file () at [...]/gcc/toplev.c:480
#15 0x00000000006b7095 in do_compile () at [...]/gcc/toplev.c:2172
#16 toplev::main (this=this@entry=0x7fffffffc260, argc=argc@entry=33,
argv=argv@entry=0x7fffffffc368) at [...]/gcc/toplev.c:2307
#17 0x00000000006ba9c7 in main (argc=33, argv=0x7fffffffc368) at
[...]/gcc/main.c:39
(gdb) frame 1
#1 0x00000000007c8ac1 in discriminator_for_local_entity
(entity=entity@entry=0x7ffff6934ea0) at [...]/gcc/cp/mangle.c:1925
1925 gcc_checking_assert (DECL_ARTIFICIAL (entity));
(gdb) call debug_tree(entity)
<var_decl 0x7ffff6934ea0 Bs
type <array_type 0x7ffff6910dc8
type <array_type 0x7ffff6910c78 type <real_type 0x7ffff67cf2a0
float>
sizes-gimplified type_6 BLK
size <integer_cst 0x7ffff67cb4b0 constant 512>
unit-size <integer_cst 0x7ffff691d720 constant 64>
align:32 warn_if_not_align:0 symtab:0 alias-set -1
canonical-type 0x7ffff6910c78 domain <integer_type 0x7ffff6910bd0>>
sizes-gimplified BLK
size <integer_cst 0x7ffff691d708 constant 8192>
unit-size <integer_cst 0x7ffff691d738 constant 1024>
align:32 warn_if_not_align:0 symtab:0 alias-set -1 canonical-type
0x7ffff6910dc8
domain <integer_type 0x7ffff6910bd0 type <integer_type
0x7ffff67c7000 sizetype>
sizes-gimplified type_6 DI
size <integer_cst 0x7ffff67a9df8 constant 64>
unit-size <integer_cst 0x7ffff67a9e10 constant 8>
align:64 warn_if_not_align:0 symtab:0 alias-set -1
canonical-type 0x7ffff6910bd0 precision:64 min <integer_cst 0x7ffff67a9e28 0>
max <integer_cst 0x7ffff691d6f0 15>>
pointer_to_this <pointer_type 0x7ffff6910738>>
addressable used static tree_1 read decl_5 BLK
source-gcc/gcc/testsuite/c-c++-common/gomp/gridify-2.c:18:16 size <integer_cst
0x7ffff691d708 8192> unit-size <integer_cst 0x7ffff691d738 1024>
align:256 warn_if_not_align:0 context <function_decl 0x7ffff690fd00
tiled_sgemm_tt>
attributes <tree_list 0x7ffff692ce10
purpose <identifier_node 0x7ffff6939180 hsa_group_segment
normal local bindings <(nil)>>> abstract_origin <var_decl
0x7ffff7ff6ea0 Bs> chain <var_decl 0x7ffff69412d0 C_row_start>>
