https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106438
--- Comment #5 from Jeevitha <jeevitha at gcc dot gnu.org> ---
Able to reproduce the error with a simple test case using the following
compilation and linking commands. The issue occurs whenever we pass different
ABIs during compilation and linking.
jeevitha@ltcden2-lp1 nb_gcc_106438]$ cat t.c
#include <stdio.h>
typedef _Float128 GFC_REAL_17;
GFC_REAL_17 a;
GFC_REAL_17 b;
int main() {
GFC_REAL_17 sum = a + b;
printf("a + b = %Lf\n", sum);
return 0;
}
[jeevitha@ltcden2-lp1 nb_gcc_106438]$
/home/jeevitha/gcc_clean/build_gcc/nb_gcc_106438/./gcc/xgcc
-B/home/jeevitha/gcc_clean/build_gcc/nb_gcc_106438/./gcc/ -c t.c
-mabi=ieeelongdouble -O3 -o t.o -flto
[jeevitha@ltcden2-lp1 nb_gcc_106438]$
/home/jeevitha/gcc_clean/build_gcc/nb_gcc_106438/./gcc/xgcc
-B/home/jeevitha/gcc_clean/build_gcc/nb_gcc_106438/./gcc/ -flto t.o
-mabi=ibmlongdouble -o t.out
lto1: error: type variant differs by TYPE_MODE
<real_type 0x7fffa0e716f8 __ieee128 KF
size <integer_cst 0x7fffa0e40ee8 type <integer_type 0x7fffa0e701f8
bitsizetype> constant 128>
unit-size <integer_cst 0x7fffa0e40f00 type <integer_type 0x7fffa0e70150
sizetype> constant 16>
align:128 warn_if_not_align:0 symtab:0 alias-set -1 canonical-type
0x7fffa0e716f8 precision:128
pointer_to_this <pointer_type 0x7fffa1024c20>>
lto1: error: ‘TYPE_CANONICAL’ is not compatible
<real_type 0x7fffa0e716f8 __ieee128 KF
size <integer_cst 0x7fffa0e40ee8 type <integer_type 0x7fffa0e701f8
bitsizetype> constant 128>
unit-size <integer_cst 0x7fffa0e40f00 type <integer_type 0x7fffa0e70150
sizetype> constant 16>
align:128 warn_if_not_align:0 symtab:0 alias-set -1 canonical-type
0x7fffa0e716f8 precision:128
pointer_to_this <pointer_type 0x7fffa1024c20>>
lto1: error: ‘TYPE_MODE’ of ‘TYPE_CANONICAL’ is not compatible
<real_type 0x7fffa0e716f8 __ieee128 KF
size <integer_cst 0x7fffa0e40ee8 type <integer_type 0x7fffa0e701f8
bitsizetype> constant 128>
unit-size <integer_cst 0x7fffa0e40f00 type <integer_type 0x7fffa0e70150
sizetype> constant 16>
align:128 warn_if_not_align:0 symtab:0 alias-set -1 canonical-type
0x7fffa0e716f8 precision:128
pointer_to_this <pointer_type 0x7fffa1024c20>>
<real_type 0x7fffa1024f68 GFC_REAL_17 TF
size <integer_cst 0x7fffa0e40ee8 type <integer_type 0x7fffa0e701f8
bitsizetype> constant 128>
unit-size <integer_cst 0x7fffa0e40f00 type <integer_type 0x7fffa0e70150
sizetype> constant 16>
align:128 warn_if_not_align:0 symtab:0 alias-set -1 canonical-type
0x7fffa0e716f8 precision:128
pointer_to_this <pointer_type 0x7fffa1025400>>
lto1: internal compiler error: ‘verify_type’ failed
0x13441b17 internal_error(char const*, ...)
/home/jeevitha/gcc_clean/build_gcc/nb_gcc_106438/../../gcc/gcc/diagnostic-global-context.cc:491
0x11b990f7 verify_type(tree_node const*)
/home/jeevitha/gcc_clean/build_gcc/nb_gcc_106438/../../gcc/gcc/tree.cc:14465
0x108fe62f lto_fixup_state
/home/jeevitha/gcc_clean/build_gcc/nb_gcc_106438/../../gcc/gcc/lto/lto-common.cc:2657
0x108fe83f lto_fixup_decls
/home/jeevitha/gcc_clean/build_gcc/nb_gcc_106438/../../gcc/gcc/lto/lto-common.cc:2682
0x108ff767 read_cgraph_and_symbols(unsigned int, char const**)
/home/jeevitha/gcc_clean/build_gcc/nb_gcc_106438/../../gcc/gcc/lto/lto-common.cc:2929
0x108af727 lto_main()
/home/jeevitha/gcc_clean/build_gcc/nb_gcc_106438/../../gcc/gcc/lto/lto.cc:658
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
lto-wrapper: fatal error:
/home/jeevitha/gcc_clean/build_gcc/nb_gcc_106438/./gcc/xgcc returned 1 exit
status
compilation terminated.
/usr/bin/ld: error: lto-wrapper failed
collect2: error: ld returned 1 exit status
