https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84947
Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords|ice-on-valid-code |ice-on-invalid-code Status|UNCONFIRMED |NEW Ever confirmed|0 |1 --- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> --- Because: (gdb) p debug_tree(parm_type) <record_type 0x7ffff52be930 a BLK size <integer_cst 0x7ffff50c5c60 type <integer_type 0x7ffff50d90a8 bitsizetype> constant 0> unit-size <integer_cst 0x7ffff50c5c18 type <integer_type 0x7ffff50d9000 sizetype> constant 0> align:8 warn_if_not_align:0 symtab:0 alias-set 2 canonical-type 0x7ffff52be930 context <translation_unit_decl 0x7ffff50cf1e0 b.c> chain <type_decl 0x7ffff52c0130 D.4324>> In the original testcase it's also zero for: $ gcc -flto /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/lto/20120723_*.c -O2 (gdb) p parm_type $2 = (tree) 0x7ffff52be690 (gdb) p debug_tree(parm_type) <record_type 0x7ffff52be690 E DI size <integer_cst 0x7ffff50c5be8 type <integer_type 0x7ffff50d90a8 bitsizetype> constant 64> unit-size <integer_cst 0x7ffff50c5c00 type <integer_type 0x7ffff50d9000 sizetype> constant 8> align:64 warn_if_not_align:0 symtab:0 alias-set 2 canonical-type 0x7ffff52be690 fields <field_decl 0x7ffff52c05f0 p type <pointer_type 0x7ffff52be738 type <record_type 0x7ffff52be7e0 S> unsigned DI size <integer_cst 0x7ffff50c5be8 64> unit-size <integer_cst 0x7ffff50c5c00 8> align:64 warn_if_not_align:0 symtab:0 alias-set 1 structural-equality pointer_to_this <pointer_type 0x7ffff52be348>> unsigned DI /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/lto/20120723_1.c:15:13 size <integer_cst 0x7ffff50c5be8 64> unit-size <integer_cst 0x7ffff50c5c00 8> align:64 warn_if_not_align:0 offset_align 128 offset <integer_cst 0x7ffff50c5c18 constant 0> bit-offset <integer_cst 0x7ffff50c5c60 constant 0> context <record_type 0x7ffff52be690 E>> context <translation_unit_decl 0x7ffff50cf1e0 /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/lto/20120723_1.c> chain <type_decl 0x7ffff52c0688 D.4340>>