https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112720
Bug ID: 112720
Summary: ICE: Segmentation fault during IPA pass: tmipa
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
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 mutant.c
typedef struct S {
int * val;
struct S *next;
} s;
s *next;
int a;
static int func(int * val)
{
int b;
int * v;
__transaction_relaxed {
v = next->val;
b = (v == val);
if (b)
b = 2;
}
return b;
}
void test(void *data)
{
extern void bark(void);
if (func(0))
bark();
a = 99;
}
*******************************************************************************
Command Lines:
$ gcc -fgnu-tm -c -fsanitize=undefined mutant.c
during IPA pass: tmipa
mutant.c: In function ‘func’:
mutant.c:29:1: internal compiler error: Segmentation fault
29 | }
| ^
0xffebdf crash_signal
../../gcc/gcc/toplev.cc:315
0x1004fd0 is_tm_irrevocable
../../gcc/gcc/trans-mem.cc:237
0x100720e ipa_tm_scan_irr_block
../../gcc/gcc/trans-mem.cc:4396
0x100720e ipa_tm_scan_irr_blocks
../../gcc/gcc/trans-mem.cc:4464
0x1007683 ipa_tm_scan_irr_function
../../gcc/gcc/trans-mem.cc:4643
0x1008ae7 ipa_tm_execute
../../gcc/gcc/trans-mem.cc:5526
0x1008ae7 execute
../../gcc/gcc/trans-mem.cc:5686
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.
