[Bug lto/91273] [7/8/9/10 Regression] ICE in warn_types_mismatch at ipa-devirt.c:995
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91273 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed||2019-07-27 CC||hubicka at gcc dot gnu.org Assignee|unassigned at gcc dot gnu.org |hubicka at gcc dot gnu.org Ever confirmed|0 |1 Known to fail||10.0, 7.4.0, 8.3.0, 9.1.0
[Bug lto/91273] [7/8/9/10 Regression] ICE in warn_types_mismatch at ipa-devirt.c:995
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91273
--- Comment #1 from Jan Hubicka ---
This seems to work for me with current trunk
hubicka@lomikamen-jh:/aux/hubicka/trunk4/build2/gcc$ cat ~/1.ii
extern "C" {
struct {
} ltregul_;
}
hubicka@lomikamen-jh:/aux/hubicka/trunk4/build2/gcc$ cat ~/2.F
common /ltregul/ zeroeps
end
hubicka@lomikamen-jh:/aux/hubicka/trunk4/build2/gcc$ ./gfortran -B ./ ~/1.ii
~/2.F -flto -O2 -B ../x86_64-pc-linux-gnu/libgfortran/
hubicka@lomikamen-jh:/aux/hubicka/trunk4/build2/gcc$ ./xg++ -B ./ ~/1.ii ~/2.F
-flto -O2 -B ../x86_64-pc-linux-gnu/libgfortran/
/usr/local/x86_64-pc-linux-gnu/bin/ld: /tmp/cck5WNC7.ltrans0.ltrans.o: in
function `main':
:(.text.startup+0x5): undefined reference to `_gfortran_set_args'
/usr/local/x86_64-pc-linux-gnu/bin/ld: :(.text.startup+0x14):
undefined reference to `_gfortran_set_options'
collect2: error: ld returned 1 exit status
[Bug lto/91273] [7/8/9/10 Regression] ICE in warn_types_mismatch at ipa-devirt.c:995
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91273
--- Comment #2 from Martin Liška ---
(In reply to Jan Hubicka from comment #1)
> This seems to work for me with current trunk
No, it's broken also on current trunk.
>
> hubicka@lomikamen-jh:/aux/hubicka/trunk4/build2/gcc$ cat ~/1.ii
> extern "C" {
> struct {
> } ltregul_;
> }
> hubicka@lomikamen-jh:/aux/hubicka/trunk4/build2/gcc$ cat ~/2.F
> common /ltregul/ zeroeps
> end
> hubicka@lomikamen-jh:/aux/hubicka/trunk4/build2/gcc$ ./gfortran -B ./ ~/1.ii
> ~/2.F -flto -O2 -B ../x86_64-pc-linux-gnu/libgfortran/
> hubicka@lomikamen-jh:/aux/hubicka/trunk4/build2/gcc$ ./xg++ -B ./ ~/1.ii
> ~/2.F -flto -O2 -B ../x86_64-pc-linux-gnu/libgfortran/
> /usr/local/x86_64-pc-linux-gnu/bin/ld: /tmp/cck5WNC7.ltrans0.ltrans.o: in
> function `main':
> :(.text.startup+0x5): undefined reference to `_gfortran_set_args'
> /usr/local/x86_64-pc-linux-gnu/bin/ld: :(.text.startup+0x14):
> undefined reference to `_gfortran_set_options'
> collect2: error: ld returned 1 exit status
Please run it from a location where you have properly installed compiler:
$ gcc -v
gcc --version
gcc (GCC) 10.0.0 20190723 (experimental
$ g++ 1.ii 2.F -flto -O2
2.F:1:3: warning: type of ‘ltregul’ does not match original declaration
[-Wlto-type-mismatch]
1 | common /ltregul/ zeroeps
| ^
lto1: internal compiler error: in warn_types_mismatch, at ipa-devirt.c:995
0xcab6f2 warn_types_mismatch(tree_node*, tree_node*, unsigned int, unsigned
int)
/home/marxin/Programming/gcc/gcc/ipa-devirt.c:995
0x89f8d7 lto_symtab_merge_decls_2
/home/marxin/Programming/gcc/gcc/lto/lto-symtab.c:722
0x89ffe9 lto_symtab_merge_decls_1
/home/marxin/Programming/gcc/gcc/lto/lto-symtab.c:861
0x8a00e3 lto_symtab_merge_decls()
/home/marxin/Programming/gcc/gcc/lto/lto-symtab.c:887
0x8b4854 read_cgraph_and_symbols(unsigned int, char const**)
/home/marxin/Programming/gcc/gcc/lto/lto-common.c:2839
0x885bb5 lto_main()
/home/marxin/Programming/gcc/gcc/lto/lto.c:616
[Bug lto/91273] [7/8/9/10 Regression] ICE in warn_types_mismatch at ipa-devirt.c:995
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91273 --- Comment #3 from Jan Hubicka --- Still works for me hubicka@lomikamen-jh:~$ /aux/hubicka/trunk-install/bin/g++ 1.ii 2.F -O2 -flto /usr/local/bin/ld: /tmp/ccpfzvWm.ltrans0.ltrans.o: in function `main': :(.text.startup+0x5): undefined reference to `_gfortran_set_args' /usr/local/bin/ld: :(.text.startup+0x14): undefined reference to `_gfortran_set_options' collect2: error: ld returned 1 exit status also with system compiler on tumbleweed There is extra cat in 1.ii, perhaps it is truncated?
[Bug lto/91273] [7/8/9/10 Regression] ICE in warn_types_mismatch at ipa-devirt.c:995
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91273 --- Comment #4 from Martin Liška --- Created attachment 46633 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46633&action=edit 1.ii
[Bug lto/91273] [7/8/9/10 Regression] ICE in warn_types_mismatch at ipa-devirt.c:995
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91273 --- Comment #5 from Martin Liška --- Created attachment 46634 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46634&action=edit 2.F
[Bug lto/91273] [7/8/9/10 Regression] ICE in warn_types_mismatch at ipa-devirt.c:995
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91273 --- Comment #6 from Martin Liška --- (In reply to Jan Hubicka from comment #3) > Still works for me > hubicka@lomikamen-jh:~$ /aux/hubicka/trunk-install/bin/g++ 1.ii 2.F -O2 -flto > /usr/local/bin/ld: /tmp/ccpfzvWm.ltrans0.ltrans.o: in function `main': > :(.text.startup+0x5): undefined reference to `_gfortran_set_args' > /usr/local/bin/ld: :(.text.startup+0x14): undefined reference to > `_gfortran_set_options' > collect2: error: ld returned 1 exit status > > also with system compiler on tumbleweed > There is extra cat in 1.ii, perhaps it is truncated? I've just uploaded test-cases, please test it. Using TW GCC: $ g++ --version g++ (SUSE Linux) 9.1.1 20190723 [gcc-9-branch revision 273734] $ g++ 1.ii 2.F -flto -O2 2.F:1:3: warning: type of ‘ltregul’ does not match original declaration [-Wlto-type-mismatch] 1 | common /ltregul/ zeroeps | ^ lto1: internal compiler error: in warn_types_mismatch, at ipa-devirt.c:1133 0x7fc5fcd15bca __libc_start_main ../csu/libc-start.c:308
[Bug lto/91273] [7/8/9/10 Regression] ICE in warn_types_mismatch at ipa-devirt.c:995
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91273 --- Comment #7 from Jan Hubicka --- aha, relies on indentation of common in 2.F. i will check what goes wrong.
[Bug lto/91273] [7/8/9/10 Regression] ICE in warn_types_mismatch at ipa-devirt.c:995
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91273 Richard Biener changed: What|Removed |Added Target Milestone|--- |7.5
[Bug lto/91273] [7/8/9/10 Regression] ICE in warn_types_mismatch at ipa-devirt.c:995
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91273 --- Comment #8 from Xiong Hu XS Luo --- SPEC2017 case 507.cactuBSSN_r, also has ICE failure from r273571: lto1: internal compiler error: in warn_types_mismatch, at ipa-devirt.c:995 0x105dad1f warn_types_mismatch(tree_node*, tree_node*, unsigned int, unsigned int) /home/gcc/gcc-10-trunk-2019-08-16/gcc/ipa-devirt.c:995 0x101dd147 lto_symtab_merge_decls_2 /home/gcc/gcc-10-trunk-2019-08-16/gcc/lto/lto-symtab.c:723 0x101dd147 lto_symtab_merge_decls_1 /home/gcc/gcc-10-trunk-2019-08-16/gcc/lto/lto-symtab.c:862 0x101dd147 lto_symtab_merge_decls() /home/gcc/gcc-10-trunk-2019-08-16/gcc/lto/lto-symtab.c:888 0x101f2e47 read_cgraph_and_symbols(unsigned int, char const**) /home/gcc/gcc-10-trunk-2019-08-16/gcc/lto/lto-common.c:2839 0x101c7def lto_main() Compiler options used: "-O3 -mcpu=power9 -flto"
[Bug lto/91273] [7/8/9/10 Regression] ICE in warn_types_mismatch at ipa-devirt.c:995
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91273 --- Comment #9 from Martin Liška --- @Honza: Is there any progress?
[Bug lto/91273] [7/8/9/10 Regression] ICE in warn_types_mismatch at ipa-devirt.c:995
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91273 Richard Biener changed: What|Removed |Added Priority|P3 |P2
[Bug lto/91273] [7/8/9/10 Regression] ICE in warn_types_mismatch at ipa-devirt.c:995
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91273 Richard Biener changed: What|Removed |Added Target Milestone|7.5 |8.4 --- Comment #10 from Richard Biener --- The GCC 7 branch is being closed, re-targeting to GCC 8.4.
