https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91576
--- Comment #13 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Martin Liška from comment #3)
> Created attachment 46781 [details]
> Test-case #2
>
> Since the same revision I see similar error:
>
> $ g++ -flto -O2 *.ii
> 1.ii:14:3: warning: type ‘struct differential3’ violates the C++ One
> Definition Rule [-Wodr]
> 14 | } differential3;
> | ^
> 2.ii:17:3: note: a different type is defined in another translation unit
> 17 | } differential3;
> | ^
> 1.ii:12:5: note: the first difference of corresponding definitions is field
> ‘dx’
> 12 | A dx;
> | ^
> 2.ii:15:5: note: a field of same name but different type is defined in
> another translation unit
> 15 | A dx;
> | ^
> 1.ii:1:33: note: type name ‘A’ should match type name ‘ccl::A’
> 1 | struct __attribute__((aligned)) A {};
> | ^
> 2.ii:2:33: note: the incompatible type is defined here
> 2 | struct __attribute__((aligned)) A {
> | ^
> 1.ii:15:8: warning: type ‘struct C’ violates the C++ One Definition Rule
> [-Wodr]
> 15 | struct C {
> | ^
> 2.ii:18:8: note: a different type is defined in another translation unit
> 18 | struct C {
> | ^
> 1.ii:16:5: note: the first difference of corresponding definitions is field
> ‘P’
> 16 | A P;
> | ^
> 2.ii:19:5: note: a field of same name but different type is defined in
> another translation unit
> 19 | A P;
> | ^
> 1.ii:1:33: note: type name ‘A’ should match type name ‘ccl::A’
> 1 | struct __attribute__((aligned)) A {};
> | ^
> 2.ii:2:33: note: the incompatible type is defined here
> 2 | struct __attribute__((aligned)) A {
> | ^
> 1.ii:3:8: warning: type ‘struct B’ violates the C++ One Definition Rule
> [-Wodr]
> 3 | struct B {
> | ^
> 2.ii:6:8: note: a different type is defined in another translation unit
> 6 | struct B {
> | ^
> 1.ii:4:5: note: the first difference of corresponding definitions is field
> ‘diffuse’
> 4 | A diffuse;
> | ^
> 2.ii:7:5: note: a field of same name but different type is defined in
> another translation unit
> 7 | A diffuse;
> | ^
> 1.ii:1:33: note: type name ‘A’ should match type name ‘ccl::A’
> 1 | struct __attribute__((aligned)) A {};
> | ^
> 2.ii:2:33: note: the incompatible type is defined here
> 2 | struct __attribute__((aligned)) A {
> | ^
> lto1: error: ‘TYPE_CANONICAL’ is not compatible
> <record_type 0x7fbd73a87498 SubsurfaceIndirectRays cxx-odr-p BLK
> size <integer_cst 0x7fbd73e788d0 type <integer_type 0x7fbd73c950a8
> bitsizetype> constant 17664>
> unit-size <integer_cst 0x7fbd73e788a0 type <integer_type 0x7fbd73c95000
> sizetype> constant 2208>
> user align:128 warn_if_not_align:0 symtab:0 alias-set -1 canonical-type
> 0x7fbd73a87498
> fields <field_decl 0x7fbd73a88a18 state
> type <array_type 0x7fbd73a873f0 type <record_type 0x7fbd73a87348
> PathState>
> BLK
> size <integer_cst 0x7fbd73e78780 constant 10368>
> unit-size <integer_cst 0x7fbd73e78768 constant 1296>
> align:32 warn_if_not_align:0 symtab:0 alias-set -1
> structural-equality domain <integer_type 0x7fbd73e7db28>>
> nonlocal BLK 1.ii:47:13 size <integer_cst 0x7fbd73e78780 10368>
> unit-size <integer_cst 0x7fbd73e78768 1296>
> align:32 warn_if_not_align:0 offset_align 128
> offset <integer_cst 0x7fbd73c80bd0 constant 0>
> bit-offset <integer_cst 0x7fbd73c80c18 constant 0> context
> <record_type 0x7fbd73a87498 SubsurfaceIndirectRays>
> chain <field_decl 0x7fbd73a88c78 num_rays type <integer_type
> 0x7fbd73c955e8 int>
> nonlocal SI 1.ii:48:7
> size <integer_cst 0x7fbd73c80de0 constant 32>
> unit-size <integer_cst 0x7fbd73c80df8 constant 4>
> align:32 warn_if_not_align:0 offset_align 128 offset
> <integer_cst 0x7fbd73e78768 1296> bit-offset <integer_cst 0x7fbd73c80c18 0>
> context <record_type 0x7fbd73a87498 SubsurfaceIndirectRays> chain
> <field_decl 0x7fbd73a88980 rays>>> context <namespace_decl 0x7fbd73a831c8
> ccl>>
> <record_type 0x7fbd73a879d8 SubsurfaceIndirectRays cxx-odr-p BLK
> size <integer_cst 0x7fbd73e788d0 type <integer_type 0x7fbd73c950a8
> bitsizetype> constant 17664>
> unit-size <integer_cst 0x7fbd73e788a0 type <integer_type 0x7fbd73c95000
> sizetype> constant 2208>
> user align:128 warn_if_not_align:0 symtab:0 alias-set -1 canonical-type
> 0x7fbd73a87498
> fields <field_decl 0x7fbd73a8a5f0 state
> type <array_type 0x7fbd73a873f0 type <record_type 0x7fbd73a87348
> PathState>
> BLK
> size <integer_cst 0x7fbd73e78780 constant 10368>
> unit-size <integer_cst 0x7fbd73e78768 constant 1296>
> align:32 warn_if_not_align:0 symtab:0 alias-set -1
> structural-equality domain <integer_type 0x7fbd73e7db28>>
> nonlocal BLK 2.ii:50:13 size <integer_cst 0x7fbd73e78780 10368>
> unit-size <integer_cst 0x7fbd73e78768 1296>
> align:32 warn_if_not_align:0 offset_align 128
> offset <integer_cst 0x7fbd73c80bd0 constant 0>
> bit-offset <integer_cst 0x7fbd73c80c18 constant 0> context
> <record_type 0x7fbd73a879d8 SubsurfaceIndirectRays>
> chain <field_decl 0x7fbd73a8a7b8 num_rays type <integer_type
> 0x7fbd73c955e8 int>
> nonlocal SI 2.ii:51:7
> size <integer_cst 0x7fbd73c80de0 constant 32>
> unit-size <integer_cst 0x7fbd73c80df8 constant 4>
> align:32 warn_if_not_align:0 offset_align 128 offset
> <integer_cst 0x7fbd73e78768 1296> bit-offset <integer_cst 0x7fbd73c80c18 0>
> context <record_type 0x7fbd73a879d8 SubsurfaceIndirectRays> chain
> <field_decl 0x7fbd73a8a4c0 rays>>> context <namespace_decl 0x7fbd73a831c8
> ccl>
> pointer_to_this <pointer_type 0x7fbd73a87d20>>
> lto1: internal compiler error: ‘verify_type’ failed
> 0xf5a148 verify_type(tree_node const*)
> ../../gcc/tree.c:14775
> 0x7ec407 lto_fixup_state
> ../../gcc/lto/lto-common.c:2582
> 0x7f6f84 lto_fixup_decls
> ../../gcc/lto/lto-common.c:2613
> 0x7f6f84 read_cgraph_and_symbols(unsigned int, char const**)
> ../../gcc/lto/lto-common.c:2848
> 0x7dd692 lto_main()
> ../../gcc/lto/lto.c:616
> Please submit a full bug report,
> with preprocessed source if appropriate.
> Please include the complete backtrace with any bug report.
> See <https://gcc.gnu.org/bugs/> for instructions.
> lto-wrapper: fatal error: g++ returned 1 exit status
> compilation terminated.
> /usr/bin/ld: error: lto-wrapper failed
> collect2: error: ld returned 1 exit status
This issue is still valid on current trunk.
