[Bug lto/91393] [10 Regression] lto1: internal compiler error: decompressed stream: Destination buffer is too small
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91393 Martin Liška changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|--- |FIXED --- Comment #13 from Martin Liška --- Fixed on trunk.
[Bug lto/91393] [10 Regression] lto1: internal compiler error: decompressed stream: Destination buffer is too small
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91393 --- Comment #12 from Martin Liška --- Author: marxin Date: Wed Oct 30 10:38:52 2019 New Revision: 277607 URL: https://gcc.gnu.org/viewcvs?rev=277607=gcc=rev Log: Use symtab_node::order in LTO sections with body. 2019-10-30 Martin Liska PR lto/91393 PR lto/88220 * cgraph.c (cgraph_node::get_create): Overwrite node->order from a first_clone in order to get proper LTO section in LTO stream. (cgraph_node::get_untransformed_body): Use lto_get_section_data where symtab_node::order must be provided. * cgraphclones.c (cgraph_node::find_replacement): Update also symbol order. * ipa-fnsummary.c (ipa_fn_summary_read): Use new function lto_get_summary_section_data. * ipa-hsa.c (ipa_hsa_read_summary): Likewise. * ipa-icf.c (sem_item_optimizer::read_summary): Likewise. * ipa-prop.c (ipa_prop_read_jump_functions): Likewise. (ipcp_read_transformation_summaries): Likewise. * ipa-sra.c (ipa_sra_read_summary): Likewise. * lto-cgraph.c (input_node): Add also order_base. (input_varpool_node): Likewise. (input_cgraph_1): Assign the order_base. (input_cgraph_opt_summary): Use new lto_get_summary_section_data. * lto-opts.c (lto_write_options): Pass new argument. * lto-section-in.c (lto_get_section_data): Add new argumente order. (lto_get_summary_section_data): New. (lto_get_raw_section_data): Add order argument. (lto_create_simple_input_block): Likewise. * lto-section-out.c (lto_destroy_simple_output_block): Likewise. * lto-streamer-in.c (lto_input_toplevel_asms): Use lto_get_summary_section_data. (lto_input_mode_table): Likewise. * lto-streamer-out.c (produce_asm): Pass symtab_node::order. (lto_output_toplevel_asms): Pass new argument. (copy_function_or_variable): Likewise. (produce_lto_section):Likewise. (produce_symtab): Likewise. (lto_write_mode_table): Likewise. (produce_asm_for_decls): Likewise. * lto-streamer.c (lto_get_section_name): Concat symbol name and symbol order. * lto-streamer.h (lto_get_section_data): Add order argument. (lto_get_summary_section_data): New. (lto_get_raw_section_data): Add order argument. (lto_get_section_name): Likewise. * varpool.c (varpool_node::get_constructor): Pass order argument. 2019-10-30 Martin Liska PR lto/91393 PR lto/88220 * lto-common.c (lto_file_finalize): Use lto_get_summary_section_data. (get_section_data): Add order argument. 2019-10-30 Martin Liska PR lto/91393 PR lto/88220 * gcc.dg/lto/pr91393_0.c: New test. Added: trunk/gcc/testsuite/gcc.dg/lto/pr91393_0.c Modified: trunk/gcc/ChangeLog trunk/gcc/cgraph.c trunk/gcc/cgraphclones.c trunk/gcc/ipa-fnsummary.c trunk/gcc/ipa-hsa.c trunk/gcc/ipa-icf.c trunk/gcc/ipa-prop.c trunk/gcc/ipa-sra.c trunk/gcc/lto-cgraph.c trunk/gcc/lto-opts.c trunk/gcc/lto-section-in.c trunk/gcc/lto-section-out.c trunk/gcc/lto-streamer-in.c trunk/gcc/lto-streamer-out.c trunk/gcc/lto-streamer.c trunk/gcc/lto-streamer.h trunk/gcc/lto/ChangeLog trunk/gcc/lto/lto-common.c trunk/gcc/testsuite/ChangeLog trunk/gcc/varpool.c
[Bug lto/91393] [10 Regression] lto1: internal compiler error: decompressed stream: Destination buffer is too small
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91393 --- Comment #11 from Martin Liška --- (In reply to David Binderman from comment #10) > (In reply to Martin Liška from comment #9) > > I've got a patch candidate for it. > > Ping Martin. Anything happened with that patch ? There's a discussion going on: https://gcc.gnu.org/ml/gcc-patches/2019-10/msg01559.html
[Bug lto/91393] [10 Regression] lto1: internal compiler error: decompressed stream: Destination buffer is too small
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91393 --- Comment #10 from David Binderman --- (In reply to Martin Liška from comment #9) > I've got a patch candidate for it. Ping Martin. Anything happened with that patch ?
[Bug lto/91393] [10 Regression] lto1: internal compiler error: decompressed stream: Destination buffer is too small
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91393 --- Comment #9 from Martin Liška --- I've got a patch candidate for it.
[Bug lto/91393] [10 Regression] lto1: internal compiler error: decompressed stream: Destination buffer is too small
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91393
Martin Liška changed:
What|Removed |Added
Status|WAITING |ASSIGNED
See Also||https://gcc.gnu.org/bugzill
||a/show_bug.cgi?id=88220
--- Comment #8 from Martin Liška ---
Thank you David, now I can see it:
$ cat pr91393.i
void __open_alias(int, ...) __asm__("open");
void __open_alias(int flags, ...) {}
extern __inline __attribute__((__gnu_inline__)) int open() {}
struct {
void *func;
} a = {open};
$ gcc -flto -O pr91393.i
lto1: internal compiler error: decompressed stream: Destination buffer is too
small
0xb3d04b lto_uncompression_zstd
/home/marxin/Programming/gcc/gcc/lto-compress.c:170
0xb3d7ce lto_end_uncompression(lto_compression_stream*, lto_compression)
/home/marxin/Programming/gcc/gcc/lto-compress.c:408
0xb3b66c lto_get_section_data(lto_file_decl_data*, lto_section_type, char
const*, unsigned long*, bool)
/home/marxin/Programming/gcc/gcc/lto-section-in.c:164
0x86ec4c cgraph_node::get_untransformed_body()
/home/marxin/Programming/gcc/gcc/cgraph.c:3578
0x87b36e cgraph_node::expand()
/home/marxin/Programming/gcc/gcc/cgraphunit.c:2164
0x87c3db expand_all_functions
/home/marxin/Programming/gcc/gcc/cgraphunit.c:2332
0x87c3db symbol_table::compile()
/home/marxin/Programming/gcc/gcc/cgraphunit.c:2688
0x7da5f1 lto_main()
/home/marxin/Programming/gcc/gcc/lto/lto.c:644
Looks to me very similar to PR88220.
[Bug lto/91393] [10 Regression] lto1: internal compiler error: decompressed stream: Destination buffer is too small
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91393 --- Comment #7 from David Binderman --- Created attachment 46697 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46697=edit preprocessed C source code Preprocessed source code for open.c (aka /tmp/q.i in previous comment)
[Bug lto/91393] [10 Regression] lto1: internal compiler error: decompressed stream: Destination buffer is too small
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91393 --- Comment #6 from David Binderman --- Command line seems to be /home/dcb/gcc/results.274150/bin/gcc -O3 -flto -g -pipe -Wall -Werror=format-se curity -fexceptions -fstack-protector-strong -grecord-gcc-switches -fasynchr onous-unwind-tables -fstack-clash-protection -c -fPIC /tmp/q.i
[Bug lto/91393] [10 Regression] lto1: internal compiler error: decompressed stream: Destination buffer is too small
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91393 Martin Liška changed: What|Removed |Added Status|ASSIGNED|WAITING --- Comment #5 from Martin Liška --- Where the problematic section is: $ readelf -S -W .libs/open.o There are 27 section headers, starting at offset 0x3048: Section Headers: [Nr] Name TypeAddress OffSize ES Flg Lk Inf Al ... [15] .gnu.lto_open.e5c71689fb58e64f PROGBITS 000954 000a9d 00 E 0 0 1 ... @David: Can you please create a pro-processed file for open.o and the full command line that was used to create the object?
[Bug lto/91393] [10 Regression] lto1: internal compiler error: decompressed stream: Destination buffer is too small
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91393 Martin Liška changed: What|Removed |Added Status|WAITING |ASSIGNED --- Comment #4 from Martin Liška --- I can reproduce that now with: $ gcc .libs/open.o lto1: internal compiler error: decompressed stream: Destination buffer is too small 0xb3d04b lto_uncompression_zstd /home/marxin/Programming/gcc/gcc/lto-compress.c:170 0xb3d7ce lto_end_uncompression(lto_compression_stream*, lto_compression) /home/marxin/Programming/gcc/gcc/lto-compress.c:408 0xb3b66c lto_get_section_data(lto_file_decl_data*, lto_section_type, char const*, unsigned long*, bool) /home/marxin/Programming/gcc/gcc/lto-section-in.c:164 0x86ec4c cgraph_node::get_untransformed_body() /home/marxin/Programming/gcc/gcc/cgraph.c:3578 0x87b36e cgraph_node::expand() /home/marxin/Programming/gcc/gcc/cgraphunit.c:2164 0x87c3db expand_all_functions /home/marxin/Programming/gcc/gcc/cgraphunit.c:2332 0x87c3db symbol_table::compile() /home/marxin/Programming/gcc/gcc/cgraphunit.c:2688 0x7da5f1 lto_main() /home/marxin/Programming/gcc/gcc/lto/lto.c:644
[Bug lto/91393] [10 Regression] lto1: internal compiler error: decompressed stream: Destination buffer is too small
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91393 --- Comment #3 from David Binderman --- Created attachment 46695 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46695=edit xz compressed tar file cat bug2.txz | xz -d | tar xvf - should do it. First attachment contains object files [_a-m]* and second has [n-z]*. I used recent trunk compiler. x86_64, if that makes any difference.
[Bug lto/91393] [10 Regression] lto1: internal compiler error: decompressed stream: Destination buffer is too small
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91393 --- Comment #2 from David Binderman --- Created attachment 46694 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46694=edit xz compressed tar file cat bug1.txz | xz -d | tar xvf - should do it.
[Bug lto/91393] [10 Regression] lto1: internal compiler error: decompressed stream: Destination buffer is too small
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91393 Richard Biener changed: What|Removed |Added Target Milestone|--- |10.0 Summary|lto1: internal compiler |[10 Regression] lto1: |error: decompressed stream: |internal compiler error: |Destination buffer is too |decompressed stream: |small |Destination buffer is too ||small
