https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89037
Bug ID: 89037
Summary: checking ice emitting 128-bit bit-field initializer
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Keywords: ice-checking, ice-on-valid-code
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: rearnsha at gcc dot gnu.org
Target Milestone: ---
Target: aarch64
/* ./cc1 testcase.c */
struct s
{
__int128 y : 65;
};
typedef struct s T;
T a = { 1 };
Results in
besttry.c:7:1: internal compiler error: tree check: accessed elt 2 of
tree_int_cst with 1 elts in output_constructor_bitfield, at varasm.c:5410
7 | T a = { 1 };
| ^
0x5be4f1 tree_int_cst_elt_check_failed(int, int, char const*, int, char const*)
/home/rearnsha/gnusrc/gcc-cross/trunk/gcc/tree.c:9999
0x740049 tree_int_cst_elt_check(tree_node*, int, char const*, int, char const*)
/home/rearnsha/gnusrc/gcc-cross/trunk/gcc/tree.h:3378
0xf8d530 output_constructor_bitfield
/home/rearnsha/gnusrc/gcc-cross/trunk/gcc/varasm.c:5410
0xf8db12 output_constructor
/home/rearnsha/gnusrc/gcc-cross/trunk/gcc/varasm.c:5524
0xf8c27f output_constant
/home/rearnsha/gnusrc/gcc-cross/trunk/gcc/varasm.c:5037
0xf81a96 assemble_variable_contents
/home/rearnsha/gnusrc/gcc-cross/trunk/gcc/varasm.c:2144
0xf82519 assemble_variable(tree_node*, int, int, int)
/home/rearnsha/gnusrc/gcc-cross/trunk/gcc/varasm.c:2323
0xfa03c4 varpool_node::assemble_decl()
/home/rearnsha/gnusrc/gcc-cross/trunk/gcc/varpool.c:586
0x7ac56c output_in_order
/home/rearnsha/gnusrc/gcc-cross/trunk/gcc/cgraphunit.c:2443
0x7ac56c symbol_table::compile()
/home/rearnsha/gnusrc/gcc-cross/trunk/gcc/cgraphunit.c:2683
0x7aef96 symbol_table::compile()
/home/rearnsha/gnusrc/gcc-cross/trunk/gcc/cgraphunit.c:2865
0x7aef96 symbol_table::finalize_compilation_unit()
/home/rearnsha/gnusrc/gcc-cross/trunk/gcc/cgraphunit.c:2862
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.
