https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81869
Bug ID: 81869
Summary: [8 Regression] --enable-checking=yes,rtl failed to
bootstrap on 32-bit hosts
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: bootstrap
Assignee: unassigned at gcc dot gnu.org
Reporter: hjl.tools at gmail dot com
Target Milestone: ---
On 32-bit hosts, when configured with
--enable-checking=yes,rtl
I got
Breakpoint 5, xmalloc_failed (size=56137200)
at /export/gnu/import/git/sources/gcc/libiberty/xmalloc.c:123
123 if (first_break != NULL)
(gdb) bt
#0 xmalloc_failed (size=56137200)
at /export/gnu/import/git/sources/gcc/libiberty/xmalloc.c:123
#1 0x024ce8f0 in xmalloc (size=56137200)
at /export/gnu/import/git/sources/gcc/libiberty/xmalloc.c:149
#2 0x011c91f9 in (anonymous namespace)::pass_cprop_hardreg::execute (
this=0x30f8fd0, fun=0xd34b63a8)
at /export/gnu/import/git/sources/gcc/gcc/regcprop.c:1272
#3 0x01147550 in execute_one_pass (
pass=<opt_pass* 0x30f8fd0 "cprop_hardreg"(299)>)
at /export/gnu/import/git/sources/gcc/gcc/passes.c:2495
#4 0x011478c6 in execute_pass_list_1 (
pass=<opt_pass* 0x30f8fd0 "cprop_hardreg"(299)>)
at /export/gnu/import/git/sources/gcc/gcc/passes.c:2584
#5 0x011478f8 in execute_pass_list_1 (
pass=<opt_pass* 0x30f8bd0 "*all-postreload"(-1)>)
at /export/gnu/import/git/sources/gcc/gcc/passes.c:2585
#6 0x011478f8 in execute_pass_list_1 (
pass=<opt_pass* 0x30f7fd0 "*rest_of_compilation"(-1)>)
at /export/gnu/import/git/sources/gcc/gcc/passes.c:2585
#7 0x0114795a in execute_pass_list (fn=0xd34b63a8, pass=
<opt_pass* 0x30f5940 "fixup_cfg"(94)>)
at /export/gnu/import/git/sources/gcc/gcc/passes.c:2595
#8 0x00c52937 in cgraph_node::expand (
---Type <return> to continue, or q <return> to quit---
this=<cgraph_node* 0xc7f97000 "insn_extract">)
at /export/gnu/import/git/sources/gcc/gcc/cgraphunit.c:2054
#9 0x00c53009 in expand_all_functions ()
at /export/gnu/import/git/sources/gcc/gcc/cgraphunit.c:2190
#10 0x00c53c27 in symbol_table::compile (this=0xf64080d8)
at /export/gnu/import/git/sources/gcc/gcc/cgraphunit.c:2542
#11 0x00c53e92 in symbol_table::finalize_compilation_unit (this=0xf64080d8)
at /export/gnu/import/git/sources/gcc/gcc/cgraphunit.c:2631
#12 0x01337fc6 in compile_file ()
at /export/gnu/import/git/sources/gcc/gcc/toplev.c:496
#13 0x0133a77d in do_compile ()
at /export/gnu/import/git/sources/gcc/gcc/toplev.c:2037
#14 0x0133aa9a in toplev::main (this=0xffffc3ee, argc=72, argv=0xffffc4d4)
at /export/gnu/import/git/sources/gcc/gcc/toplev.c:2171
#15 0x02415af2 in main (argc=72, argv=0xffffc4d4)
at /export/gnu/import/git/sources/gcc/gcc/main.c:39
(gdb) call dump_memory_report (1)
Number of expanded macros: 82835
Average number of tokens per macro expansion: 291
Line Table allocations during the compilation process
Number of ordinary maps used: 550
Ordinary map used size: 12k
Number of ordinary maps allocated: 1365
Ordinary maps allocated size: 31k
Number of macro maps used: 80k
Macro maps used size: 1936k
Macro maps locations size: 184M
Macro maps size: 186M
Duplicated maps locations size: 5533k
Total allocated maps size: 186M
Total used maps size: 186M
Ad-hoc table size: 64M
Ad-hoc table entries used: 2145806
optimized_ranges: 580577
unoptimized_ranges: 1958174
Memory still allocated at the end of the compilation process
Size Allocated Used Overhead
8 340k 307k 8160
16 51M 15M 826k
32 12M 3631k 151k
128 36k 17k 324
256 48k 21k 384
512 124k 86k 992
1024 2548k 2509k 19k
2048 2936k 2918k 22k
4096 10M 10M 84k
8192 11M 11M 46k
16384 40M 40M 81k
32768 54M 54M 54k
65536 61M 61M 30k
131072 50M 50M 12k
262144 32M 32M 4096
524288 16M 16M 1024
1048576 10M 10M 320
2097152 2048k 2048k 32
67108864 64M 64M 32
24 38M 12M 500k
40 31M 18M 343k
48 15M 4353k 150k
56 5076k 1055k 49k
72 1048k 840k 9432
112 20k 7280 180
120 1496k 1486k 13k
80 3196k 2535k 28k
88 920k 800k 8280
96 2208k 2125k 19k
104 3476k 3397k 30k
64 4112k 3643k 40k
216 1236k 969k 9888
Total 530M 430M 2549k
String pool
entries 116294
identifiers 30442 (26.18%)
slots 262144
deleted 85852
bytes 535k (4095M overhead)
table size 1024k
coll/search 0.7417
ins/search 0.3532
avg. entry 4.71 bytes (+/- 9.25)
longest entry 85
(No per-node statistics)
Type hash: size 8191, 4283 elements, 0.379889 collisions
DECL_DEBUG_EXPR hash: size 1021, 0 elements, 0.000000 collisions
DECL_VALUE_EXPR hash: size 1021, 0 elements, 0.000000 collisions
no search statistics
decl_specializations: size 1021, 487 elements, 1.258203 collisions
type_specializations: size 2039, 996 elements, 1.519699 collisions
No gimple statistics
No RTX statistics
Heap vectors Leak Peak
Times Leak items Peak items
--------------------------------------------------------------------------------------------------------------------------------------------
--------------------------------------------------------------------------------------------------------------------------------------------
Total 0
0 0
--------------------------------------------------------------------------------------------------------------------------------------------
Alias oracle query stats:
refs_may_alias_p: 0 disambiguations, 0 queries
ref_maybe_used_by_call_p: 3 disambiguations, 3480 queries
call_may_clobber_ref_p: 0 disambiguations, 0 queries
TBAA oracle: 139600 disambiguations 476377 queries
165628 are in alias set 0
25685 queries asked about the same object
0 queries asked about the same alias set
0 access volatile
145464 are dependent in the DAG
0 are aritificially in conflict with void *
PTA query stats:
pt_solution_includes: 0 disambiguations, 142162 queries
pt_solutions_intersect: 0 disambiguations, 0 queries
(gdb) c
Continuing.
cc1plus: out of memory allocating 56137200 bytes after a total of 3147132928
bytes
Breakpoint 3, 0xf67c3380 in exit () from /libx32/libc.so.6
