https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113270
Bug ID: 113270
Summary: [14 Regression] AArch64 ICEs in register_tuple_type
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: jakub at gcc dot gnu.org
Target Milestone: ---
Several packages in Fedora ICE with PCH.
A simple reproducer is e.g.
cat ppp.h
extern int i;
cat ppp.C
#include <arm_neon.h>
./cc1plus.r14-6751 -quiet -v -iprefix
/usr/src/gcc/objaa/gcc/../lib/gcc/aarch64-linux/14.0.0/ -isystem ./include
-isystem ./include-fixed -D_GNU_SOURCE ppp.h -quiet -dumpbase ppp.h.h
-dumpbase-ext .h -mlittle-endian -mabi=lp64 -Winvalid-pch -version -o
/tmp/ccGpU4JW.s --output-pch ppp.h.gch
./cc1plus.r14-6751 -quiet -v -iprefix
/usr/src/gcc/objaa/gcc/../lib/gcc/aarch64-linux/14.0.0/ -isystem ./include
-isystem ./include-fixed -D_GNU_SOURCE -isystem include/ -include ppp.h
-isystem /usr/include ppp.C -quiet -dumpdir a- -dumpbase ppp.C -dumpbase-ext .C
-mlittle-endian -mabi=lp64 -Winvalid-pch -version -o /tmp/ccwJQz4y.s
GNU C++17 (GCC) version 14.0.0 20231220 (experimental) (aarch64-linux-gnu)
compiled by GNU C version 12.1.1 20220507 (Red Hat 12.1.1-1), GMP
version 6.2.1, MPFR version 4.1.0-p13, MPC version 1.2.1, isl version
isl-0.16.1-GMP
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
ignoring duplicate directory "include/"
ignoring nonexistent directory
"/usr/src/gcc/objaa/gcc/../lib/gcc/aarch64-linux/14.0.0/../../../../aarch64-linux-gnu/include/c++/14.0.0"
ignoring nonexistent directory
"/usr/src/gcc/objaa/gcc/../lib/gcc/aarch64-linux/14.0.0/../../../../aarch64-linux-gnu/include/c++/14.0.0/aarch64-linux-gnu"
ignoring nonexistent directory
"/usr/src/gcc/objaa/gcc/../lib/gcc/aarch64-linux/14.0.0/../../../../aarch64-linux-gnu/include/c++/14.0.0/backward"
ignoring nonexistent directory
"/usr/src/gcc/objaa/gcc/../lib/gcc/aarch64-linux/14.0.0/include"
ignoring nonexistent directory
"/usr/src/gcc/objaa/gcc/../lib/gcc/aarch64-linux/14.0.0/include-fixed"
ignoring nonexistent directory
"/usr/src/gcc/objaa/gcc/../lib/gcc/aarch64-linux/14.0.0/../../../../aarch64-linux-gnu/sys-include"
ignoring nonexistent directory
"/usr/src/gcc/objaa/gcc/../lib/gcc/aarch64-linux/14.0.0/../../../../aarch64-linux-gnu/include"
ignoring nonexistent directory
"/usr/local/lib/../aarch64-linux-gnu/include/c++/14.0.0"
ignoring nonexistent directory
"/usr/local/lib/../aarch64-linux-gnu/include/c++/14.0.0/aarch64-linux-gnu"
ignoring nonexistent directory
"/usr/local/lib/../aarch64-linux-gnu/include/c++/14.0.0/backward"
ignoring nonexistent directory
"/usr/local/lib/gcc/aarch64-linux-gnu/14.0.0/include"
ignoring nonexistent directory
"/usr/local/lib/gcc/aarch64-linux-gnu/14.0.0/include-fixed"
ignoring nonexistent directory
"/usr/local/lib/../aarch64-linux-gnu/sys-include"
ignoring nonexistent directory "/usr/local/lib/../aarch64-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
./include
./include-fixed
/usr/include
End of search list.
Compiler executable checksum: 99072b28e2767f6b7a4ea027ec31d235
In file included from ppp.C:1:
./include/arm_neon.h:33:21: internal compiler error: Segmentation fault
33 | #pragma GCC aarch64 "arm_neon.h"
| ^~~~~~~~~~~~
0x1b247a2 crash_signal
../../gcc/toplev.cc:316
0x1efe6bd tree_class_check_failed(tree_node const*, tree_code_class, char
const*, int, char const*)
../../gcc/tree.cc:9004
0xddec4b tree_class_check(tree_node*, tree_code_class, char const*, int, char
const*)
../../gcc/tree.h:3767
0x1ef7e72 build_array_type_1(tree_node*, tree_node*, bool, bool, bool)
../../gcc/tree.cc:7344
0x1ef815d build_array_type(tree_node*, tree_node*, bool)
../../gcc/tree.cc:7378
0x1ef821d build_array_type_nelts(tree_node*, poly_int<2u, unsigned long>)
../../gcc/tree.cc:7395
0x21753d3 register_tuple_type
../../gcc/config/aarch64/aarch64-builtins.cc:1482
0x21759a8 handle_arm_neon_h()
../../gcc/config/aarch64/aarch64-builtins.cc:1555
0x1352ab5 aarch64_pragma_aarch64
../../gcc/config/aarch64/aarch64-c.cc:351
0x13102d5 c_invoke_pragma_handler(unsigned int)
../../gcc/c-family/c-pragma.cc:1741
0x10fb1d7 cp_parser_pragma
../../gcc/cp/parser.cc:50704
0x109cc21 cp_parser_toplevel_declaration
../../gcc/cp/parser.cc:15392
0x1084a34 cp_parser_translation_unit
../../gcc/cp/parser.cc:5273
0x10fb45b c_parse_file()
../../gcc/cp/parser.cc:50798
0x1309a22 c_common_parse_file()
../../gcc/c-family/c-opts.cc:1301
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.
This worked fine in r14-1.
(gdb) p aarch64_simd_types[0]
$1 = {type = Int8x8_t, name = 0x35d3297 "__Int8x8_t", mangle = 0x35d32a2
"10__Int8x8_t", itype = <ggc_freed 0x7fffea29f0a8>, eltype = <ggc_freed
0x7fffea14b2a0>, mode = E_V8QImode,
q = qualifier_none}
(gdb) p aarch64_simd_types[1]
$2 = {type = Int8x16_t, name = 0x35d32af "__Int8x16_t", mangle = 0x35d32bb
"11__Int8x16_t", itype = <ggc_freed 0x7fffea29f1f8>, eltype = <ggc_freed
0x7fffea14b2a0>,
mode = E_V16QImode, q = qualifier_none}
(gdb) p aarch64_simd_types[2]
$3 = {type = Int16x4_t, name = 0x35d32c9 "__Int16x4_t", mangle = 0x35d32d5
"11__Int16x4_t", itype = <ggc_freed 0x7fffea29f348>, eltype = <ggc_freed
0x7fffea14b498>,
mode = E_V4HImode, q = qualifier_none}
etc.
