https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112695
Bug ID: 112695
Summary: ICE: in gen_reg_rtx, at emit-rtl.cc:1208 with
-fsanitize=address -c
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: iamanonymous.cs at gmail dot com
Target Milestone: ---
*******************************************************************************
OS and Platform:
$ uname -a:
Linux ubuntu 4.15.0-213-generic #224-Ubuntu SMP Mon Jun 19 13:30:12 UTC 2023
x86_64 x86_64 x86_64 GNU/Linux
*******************************************************************************
gcc version:
$ gcc -v
Using built-in specs.
COLLECT_GCC=/root/gcc_set/202311021000/bin/gcc
COLLECT_LTO_WRAPPER=/root/gcc_set/202311021000/libexec/gcc/x86_64-pc-linux-gnu/14.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../gcc/configure --prefix=/root/gcc_set/202311021000
--with-gmp=/root/build_essential --with-mpfr=/root/build_essential
--with-mpc=/root/build_essential --enable-languages=c,c++ --disable-multilib
--with-sanitizer=address,undefined,thread,leak
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 14.0.0 20231102 (experimental) (GCC)
git version: d508a94167c186b2baacc679896e2809554c0b99
*******************************************************************************
Program:
$ cat prog.c
_BitInt(33) b33_v;
*******************************************************************************
Command Lines:
$ gcc -fsanitize=address -c mutant.c
mutant.c:1:1: internal compiler error: in gen_reg_rtx, at emit-rtl.cc:1208
1 | _BitInt(33) b33_v;
| ^~~~~~~
0x7658cf gen_reg_rtx(machine_mode)
../../gcc/gcc/emit-rtl.cc:1208
0xe9398d maybe_legitimize_operand
../../gcc/gcc/optabs.cc:8044
0xe9398d maybe_legitimize_operands(insn_code, unsigned int, unsigned int,
expand_operand*)
../../gcc/gcc/optabs.cc:8199
0xe8ff69 maybe_gen_insn(insn_code, unsigned int, expand_operand*)
../../gcc/gcc/optabs.cc:8218
0xe99068 expand_binop_directly
../../gcc/gcc/optabs.cc:1457
0xe97460 expand_binop(machine_mode, optab_tag, rtx_def*, rtx_def*, rtx_def*,
int, optab_methods)
../../gcc/gcc/optabs.cc:1544
0xbd0f6d expand_shift_1
../../gcc/gcc/expmed.cc:2675
0xbd5359 expand_shift(tree_code, machine_mode, rtx_def*, poly_int<1u, long>,
rtx_def*, int)
../../gcc/gcc/expmed.cc:2701
0xbfb376 reduce_to_bit_field_precision
../../gcc/gcc/expr.cc:12252
0xbf200f expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
../../gcc/gcc/expr.cc:11005
0xbfb85e expand_expr(tree_node*, rtx_def*, machine_mode, expand_modifier)
../../gcc/gcc/expr.h:310
0xbfb85e expand_expr_addr_expr_1
../../gcc/gcc/expr.cc:8728
0xbfbed7 expand_expr_addr_expr
../../gcc/gcc/expr.cc:8849
0xbf08ff expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
../../gcc/gcc/expr.cc:12163
0x13876bb expand_expr(tree_node*, rtx_def*, machine_mode, expand_modifier)
../../gcc/gcc/expr.h:310
0x13876bb output_constant
../../gcc/gcc/varasm.cc:5261
0x13863d2 output_constructor_regular_field
../../gcc/gcc/varasm.cc:5612
0x13863d2 output_constructor
../../gcc/gcc/varasm.cc:5878
0x13863d2 output_constructor_regular_field
../../gcc/gcc/varasm.cc:5612
0x13863d2 output_constructor
../../gcc/gcc/varasm.cc:5878
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.
