https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103268
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |crazylht at gmail dot com,
| |hjl.tools at gmail dot com
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
A simplified test:
[hjl@gnu-cfl-2 pr103268]$ cat x.c
static int si;
long
test_types (long n)
{
unsigned int u2 = __atomic_fetch_xor (&si, 0, 5);
return u2;
}
[hjl@gnu-cfl-2 pr103268]$ make
/export/build/gnu/tools-build/gcc-gitlab-debug/build-x86_64-linux/gcc/xgcc
-B/export/build/gnu/tools-build/gcc-gitlab-debug/build-x86_64-linux/gcc/ -O2 -S
x.c
during GIMPLE pass: fab
x.c: In function ‘test_types’:
x.c:3:1: internal compiler error: in optimize_atomic_bit_test_and, at
tree-ssa-ccp.c:3645
3 | test_types (long n)
| ^~~~~~~~~~
0x1515c9d optimize_atomic_bit_test_and
/export/gnu/import/git/gitlab/x86-gcc/gcc/tree-ssa-ccp.c:3645
0x151790a execute
/export/gnu/import/git/gitlab/x86-gcc/gcc/tree-ssa-ccp.c:4115
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.
make: *** [Makefile:43: x.s] Error 1
[hjl@gnu-cfl-2 pr103268]$
